Po171 code ford

Po171 code ford. Oct 10, 2020 · Code P0171 is very common for high mileage Ford cars and any car pretty much. The code stand for P0171 Fuel System Too Lean Bank 1. We will explain the most common causes of the code... Jan 20, 2024 · The P0171 code could either mean that the oxygen sensor detects too much oxygen or too little fuel in the air-to-fuel ratio. Some possible causes for the imbalance include vacuum leaks, malfunctioning mass air flow sensors, and a clogged fuel filter. Symptoms of the P0171 code include power loss, misfires, and rough idling. 1997 - 2003 F150 - 02' f150 5.4 v8 po353 & po171 codes - I had troubles just over a month ago with a po305 code. i got the truck fixed with 2 new coils n some gaskets. im having these po353 & po171 codes pop up now. the truck is running rough and im curiuos to if its just another coil problem or if thier is something...king1138. Regular Member. Posts: 37. Joined: Sat Oct 22, 2005 12:22 am. Location: Sheridan, Wyoming. by king1138 » Thu Nov 30, 2006 2:24 am. po171 is a lean bank 1 code. check vacuum leaks, fuel flow, maf, o2, etc. if you snag a po171, po174, and a po191 that's a bad fuel pump, which is common on recent model 5.4s and 4.6s. budd63.1,795. Reaction score. 7. Location. Louisiana. only time I ever had that code P0171 or P0174 it was intake leak, if you haven't already check clamps for intake also check vaccum line that runs to the passenger side valve cover. It's usually something simple. Last edited: Apr 8, 2010. Apr 3, 2010.Video on diagnosing a 1997-2003 Ford F150 Pickup with the 4.2 engine that has the code P0171, system too lean bank 1, and a P0174, system too lean bank 2.htt...What is the Cost to Diagnose the Code P0171 Ford? Labor: 1.0. The cost to diagnose the P0171 Ford code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.P0171 indicates that your Ford Crown Victoria is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. If you have one or more fuel injectors that have gone bad, that ...2004 - 2008 Ford F150; PO171 Code ONLY! Topic Sponsor. 2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck. PO171 Code ONLY! Reply Subscribe . Thread Tools Search this Thread 12-03-2011, 06:56 PM #1 bjmerman ...1997 - 2003 Ford F150 - Codes po171, po174 - I am posting for a friend. He has a 2000 with 5.4. the problem is that it shudders so to speak at idle and low rpm's. this only happens when it is cool to cold outside. he has replaced the fuel filter, the pvc valve and hose and also the MAF sensor. As title says, it has...OBD II fault code P0171 is a generic code that is defined as P0171 – “System Too Lean Bank 1”, and is set when the PCM (Powertrain Control Module) receives input data from the #1 oxygen sensor or air/fuel ratio sensor on bank 1 indicating that the air/fuel mixture has been too lean for an extended period of time- usually about 20 ...Jun 16, 2011 · This article will help you to diagnose diagnostic trouble code P0171 (System Too Lean Bank 1) and/or P0174 (System Too Lean Bank 2) on your Ford, Mercury or Lincoln 4.6L or 5.4L equipped car, pick up, van or SUV. Although you can apply this info to any Ford vehicle with a V6 or V8, this info concentrates on the Ford 4.6L and 5.4L V8 engines. Jul 7, 2020 · P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ... Causes Of P0171 Code In Ford Vehicles. 1. Faulty Mass Airflow Sensor (MAF) The Mass Airflow Sensor measures the amount of air entering the engine to calculate the proper air-to-fuel mixture. If it’s giving incorrect readings, it can cause the engine to run lean. P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ...This article will help you to diagnose diagnostic trouble code P0171 (System Too Lean Bank 1) and/or P0174 (System Too Lean Bank 2) on your Ford, Mercury or Lincoln 4.6L or 5.4L equipped car, pick up, van or SUV. Although you can apply this info to any Ford vehicle with a V6 or V8, this info concentrates on the Ford 4.6L and 5.4L V8 engines.Repair video on diagnosing and repairing codes P0171 - system too lean bank 1, and a P0174 - system too lean bank 2 on a 1997-1999 ford expedition.https://on...The check engine light was on with codes P0171 and P0174. Here I’m using fuel trim data to pinpoint a vacuum leak on a 2002 Ford Explorer. The check engine light was on with codes P0171 and P0174.Yes, there are known common issues that can trigger the PO171 and PO174 codes in Ford vehicles. These codes indicate a lean condition in bank 1 (PO171) and bank 2 (PO174) of the engine. Common causes include vacuum leaks, faulty oxygen sensors, fuel delivery issues, and intake manifold leaks. It is recommended to have the vehicle diagnosed by a ...Wassup guys it’s Anthony here so on this video I was doing a vacuum leak test with smoke. Also has some small videos of the stang driving sounds great, hope ...The diagnostic trouble codes (DTCs) are retrieved using an OBD-II scanner or code reader. P0171 is a generic code that indicates a lean condition on Bank 1. Other codes or pending codes should be addressed first, as they may be related to or contribute to P0171. Perform a visual engine inspection, including the vacuum lines, hoses, gaskets ...When dealing with a P0171 code, indicative of a lean fuel mixture in bank 1 of the engine, there are specific repairs that we can consider to resolve the problem. First, we must inspect the air filter and replace it if it is dirty or clogged. A clean air filter is essential for maintaining the correct air-to-fuel ratio.Aug 31, 2023 · Just Google the codes followed by your car's make and model, for example: "P0171 and P0174 Ford Expedition." As one example, many report that a common cause of the P0171 and P0174 lean mixture fault in the BMW X3 is a faulty DISA valve. How to Read Your OBDII Computer Codes. Read this tutorial on how to use one particular OBDII Bluetooth code ... Sep 7, 2018 · P0171 is a generic code, meaning it has the same definition for the Ford F150 as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). Sep 7, 2018 · P0171 is a generic code, meaning it has the same definition for the Ford Focus as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). Oct 2, 2023 · One of the most common causes of the P0171 engine code is a fuel system leak. When your fuel system leaks, more air and less fuel will enter the engine's cylinders. This results in your engine running lean because it can't get the necessary amount of fuel. Another problem with the fuel system is clogged fuel injectors. Code P0174 Ford Tech Notes. If the P0174 is combined with the P0171 code, the problem is likely caused by an intake leak or the Intake Plenum Gasket and seals. If there are no intake leaks, the next step is to replace the air filter and clean the airflow meter. If the problem persists, the front oxygen (O2) sensor may need to be replaced.In this video I discuss common causes associated with Ford F series trucks experiencing a rough idle condition and/or codes P0171 and/or P0174. A common caus...What does the PO171 code mean in a Ford F150 according to Popular Mechanics Magazine? According to Popular Mechanics Magazine, the PO171 code in a Ford F150 indicates a system too lean on bank 1, which means there is … The P0171 code is a diagnostic trouble code that indicates a lean condition in the engine’s fuel mixture on Ford vehicles. This code specifically refers to Bank 1, which means that the engine is receiving too much air and not enough fuel. P0171 is a generic code, meaning it has the same definition for the Ford Freestyle as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel).Oct 10, 2020 · Code P0171 is very common for high mileage Ford cars and any car pretty much. The code stand for P0171 Fuel System Too Lean Bank 1. We will explain the most common causes of the code... road hugger tires pensacola to gulf shores To diagnose the P0171 2004 Ford F150 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Repair video on diagnosing and repairing codes P0171 - system too lean bank 1, and a P0174 - system too lean bank 2 on a 1997-1999 ford expedition.https://on... The most common cause of the P0171 code – and the P0170 and P0173-P0174 codes – is unmetered air entering the combustion system. Most of the time, this happens due to faulty or dirty mass ... Sep 10, 2018 · P0171 is a generic code, meaning it has the same definition for the Ford Transit Connect as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). Motor Verso - Latest Motoring News, Car Reviews and Photography About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Apr 5, 2011 ... Possible causes: Oxygen sensor defective Ignition misfire-repair Fuel injector problems Truck L 2001 145K on the clock.Oct 13, 2017 ... I have a 2006 Ford focus zx3. Apparently you have to remove the intake manifold to access the PCV valve and hose. Thanks. I'm a very new ...P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ...In this video, I show you how I troubleshoot a Check Engine Light (CEL) / Diagnostic Trouble Code (DTC) P0171, System Too Lean Bank 1. The exact vehicle in ... parks with exercise equipment large tortilla P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ...The P0171 code is a generic powertrain code that indicates a lean condition in the engine’s air-fuel mixture. In the context of a Ford Ranger, it specifically points to Bank 1 being too …Symptoms: P0171 + P0174 Ford Expedition There aren’t always drivability issues associated with these codes. For most people the first sign that anything is wrong at all is the service engine soon light coming on. ... With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. Take a look around and … toilet plumber Aug 31, 2023 · Just Google the codes followed by your car's make and model, for example: "P0171 and P0174 Ford Expedition." As one example, many report that a common cause of the P0171 and P0174 lean mixture fault in the BMW X3 is a faulty DISA valve. How to Read Your OBDII Computer Codes. Read this tutorial on how to use one particular OBDII Bluetooth code ... create your own barbie free chegg answers activate metro phone Sep 25, 2011 · P0171 And P0174 Essentials. P0171: System Too Lean Bank 1. PCM's Adaptive Fuel Strategy has reached its Rich calibrated limit for bank 1. In plain English, this means that the PCM is adding fuel like crazy to even out the air/fuel mixture because it has detected a vacuum leak in bank 1. The vacuum leak may be real or it may be a “perceived ... The P0171 code is a diagnostic trouble code that indicates a lean condition in the engine’s fuel mixture on Ford vehicles. This code specifically refers to Bank 1, which means that the engine is receiving too much air and not enough fuel. Oct 10, 2020 · Code P0171 is very common for high mileage Ford cars and any car pretty much. The code stand for P0171 Fuel System Too Lean Bank 1. We will explain the most common causes of the code... hello fresh free box May 21, 2023 ... Seguro de Auto Barato: https://www.youtube.com/watch?v=jha7mvd7mtA 0:11 Qué significa el código P0171 en Ford 0:35 Síntomas de un Ford con ...The 1960s Classic Ford Cars Channel covers popular antique Fords from the decade. Take a look under the hood of 1960s classic Ford cars. Advertisement The 1960s Classic Ford Cars C... how to edit a video Nov 5, 2008 ... P0171=Lean Bank 1, P0174=Lean Bank 2. These codes are set when the fuel trims max out. This means the PCM is adding all of the fuel it can and ...2003 F150 engine code P0171. My 'service engine soon' light just came on today. Took my truck to Auto Zone and they told my that my fuel trim bank 1 is running too lean. Told me that I either needed (1) oxygen sensor, (2) spark plugs, or (3) fuel injectors. Just wanted to get any input from this site to see which thing I should try first.Code P0171 applies to 4-cylinder engines (Bank 1) as they generally have only one bank. If you have a V6 or V8 engine you can also get a P0174 code which refers to Bank 2. When the code says that the fuel system is "too lean," it means that the computer has been adding more and more fuel, which is called Long Term Fuel Trim.Code P0174 Ford Tech Notes. If the P0174 is combined with the P0171 code, the problem is likely caused by an intake leak or the Intake Plenum Gasket and seals. If there are no … free fitbit rug cleaning cost Mar 23, 2015 ... Do you have a 1996-2006 Ford 4.6L or 5.4L engine equipped vehicle with a check engine light and stored codes P0171 and P0174? The P0171 code is a generic powertrain code that indicates a lean condition in the engine’s air-fuel mixture. In the context of a Ford Ranger, it specifically points to Bank 1 being too lean. This means that there is either too much air or insufficient fuel getting into the engine on the first bank of cylinders. Re: E85 and codes PO171 and PO174. For the flex fuel only use motor craft plugs if you notice the originals had 2 different part numbers 1 for each bank they have since redesigned the plug so they are the same (after developing more flex fuel motors). Non motor craft plugs cause codes on even non flex 3.0s they are very picky. When your powertrain/engine control module receives a reading that indicates there’s too much oxygen and the ratio is incorrect, it sends an error code P0171 or P0174. Depending on the problem, it may send both codes if the issue is causing a lean condition on both engine banks. work jeans Oct 26, 2009 ... PO171 is what popped up..too lean..more air then fuel entering the engine. He reset the light, and it came back on after the car had been shut ...Mar 27, 2008 ... IF the vehicle is driven long enough, typically both codes will be set. A P0171 lean code for bank 1 is the cylinder bank on the RIGHT ( ...Jul 8, 2020 · The mass air flow sensor calculates the volume of air entering the engine. If it has gone bad, the air fuel mixture will be off and the P0174 and/or P0171 codes will show. It’ll be located between the air filter and the throttle body. It’s easy to find. It will have a wiring harness plugged into it. bflix.tp best pet friendly couches Dec 23, 2018 · In this video I discuss common causes associated with Ford F series trucks experiencing a rough idle condition and/or codes P0171 and/or P0174. A common caus... What Does Code P0171 Mean? P0171 definition: Bank 1 has too much air or not enough fuel; Issue Severity: MODERATE– Extended driving with this code can …Nov 6, 2021 ... No it's not, There is no code for a faulty fuel pump or filter. A fuel pump or filter could cause a P0171, but unlikely. More likely to be a ...SOURCE: 1995 Windstar OBD II showing codes PO340, PO171, and PO174. Symptoms of a faulty Camshaft Position Sensor can include hard starting (or no starting), rough running/misfiring and/or loss of power. Code 340 COULD be caused solely by a faulty Camshaft Position Sensor. However, this code refers to the entire circuit.Just bought a 2001 Ford F150 SuperCrew Lariat 5.4L 2WD, 189000 miles, showing trouble codes, P0171 Bank 1 combustion too lean P0136 HO2S-12 Bank 1 sensor 1 circuit no activity P1131 Lack of HO2S-11 sw …Oct 9, 2018 · One of the most common trouble codes with the Ford Expedition is P0174. It indicates that your Ford Expedition is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of Yes, there are known common issues that can trigger the PO171 and PO174 codes in Ford vehicles. These codes indicate a lean condition in bank 1 (PO171) and bank 2 (PO174) of the engine. Common causes include vacuum leaks, faulty oxygen sensors, fuel delivery issues, and intake manifold leaks. It is recommended to have the vehicle diagnosed by a ...Sep 16, 2019 · Your car or truck has either a P0171, P0174 lean fault code or both stored in the pc, these codes derive from Oxygen Sensor (O-2) readings. A lean code or codes suggest that there surely is too-much air in the exhaust. Bear in mind parts shops have staff members having good motives nonetheless they may not have the experience necessary to ... The P0171 code is a generic powertrain code that indicates a lean condition in the engine’s air-fuel mixture. In the context of a Ford Ranger, it specifically points to Bank 1 being too lean. This means that there is either too much air or insufficient fuel getting into the engine on the first bank of … sell my laptop Jun 29, 2007 ... The p0171 code is the code that is setting your SES light, the p1000 code will not set it. The p0171 is being set because your bank 1 (passenger ...P0171 is a generic code, meaning it has the same definition for the Ford Econoline as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel).Oct 11, 2021 ... How I fixed my P0171 and P0174 trouble codes on a 2003 Ford F150.Re: E85 and codes PO171 and PO174. For the flex fuel only use motor craft plugs if you notice the originals had 2 different part numbers 1 for each bank they have since redesigned the plug so they are the same (after developing more flex fuel motors). Non motor craft plugs cause codes on even non flex 3.0s they are very picky. we got junk The importance of battery voltage relating to all other issues, in this case, an elusive p0171 code. Make sure to check voltage and charging conditions first...Apr 28, 2022 · The p0171 is an engine code that can be obtained by scanning using an ODBII scanner. It is not necessarily exclusive to the Ford F150 truck and sees use in other models and vehicles. This code represents a problem in the exhaust system and can be connected to the $7E8 Engine Code. The location of this problem usually stems from the fuel trim ... So just wanted to put this out there for those running into this problem, this is one of the many possible fixes. 1. Vacuum leaks, look, look, then look again, then have someone else look (notorious elbow, PCV, etc...) 2. Spark plug change. 3. MAF Sensor Clean/Check (Other sensors, O2) 4.This 2004 F-150 has leaned codes P0171 and P0174. Having both codes indicates that whatever is causing these lean codes is affecting both sides of the engine... star wars rts Aug 18, 2023 · Possible Causes of a Ford P0171 Code: Dirty Air Filter Mass Air Flow Sensor (Codes P0100, P0101, P0102, P0103, P0104) Clogged Fuel Filter Fuel Pressure Regulator Weak Fuel Pump Vacuum Leak... With a history that dates all the way back to 1903, Ford has been out in front on many innovations in the automobile industry. They were the first to build an affordable car for th...Mar 14, 2022 ... My guess would still be a vacuum leak. Since it's both banks the typical culprit is that rubber PCV line connector on the rear of the intake ...Aug 18, 2022 · The consumption of fuel increases whenever there is an issue with the air-to-fuel ratio of the gasoline mixture, not just for the P0172 trouble code in Ford. As a result, the fuel economy becomes much worse, and you’ll have to fill up your fuel tank more often. However, this symptom could also mean a p0022 ford f150. P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ...P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ... clean out house is fidelity a bank Causes Of P0171 Code In Ford Vehicles. 1. Faulty Mass Airflow Sensor (MAF) The Mass Airflow Sensor measures the amount of air entering the engine to calculate the proper air-to-fuel mixture. If it’s giving incorrect readings, it can cause the engine to run lean.Just bought a 2001 Ford F150 SuperCrew Lariat 5.4L 2WD, 189000 miles, showing trouble codes, P0171 Bank 1 combustion too lean P0136 HO2S-12 Bank 1 sensor 1 circuit no activity P1131 Lack of HO2S-11 sw …1997 - 2003 Ford F150 - Codes po171, po174 - I am posting for a friend. He has a 2000 with 5.4. the problem is that it shudders so to speak at idle and low rpm's. this only happens when it is cool to cold outside. he has replaced the fuel filter, the pvc valve and hose and also the MAF sensor. As title says, it has...Symptoms: P0171 + P0174 Ford F150. There aren’t always drivability issues associated with these codes. For most people the first sign that anything is wrong at all is the service engine soon light coming on. ... With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. Take a look around and see if you ...The p0171 is an engine code that can be obtained by scanning using an ODBII scanner. It is not necessarily exclusive to the Ford F150 truck and sees use in other models and vehicles. This code represents a problem in the exhaust system and can be connected to the $7E8 Engine Code. The location of this problem usually stems from the …One of the most common trouble codes with the Ford Escape is P0174. It indicates that your Ford Escape is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list ofFord F150 P0171/P0174 Codes Information; EasyAutoDiagnostics Ford 171/174; Related DTC Discussions. Register now to ask a question (free) 1999 Chevy Silverado Codes P0327, P0171, and P0174 Okay guys I'm back with the same problem. Here is what I have done since Aug. 2008 I have replaced the MAF sensor, air filter, knock sensor, fuel pump, coil ...May 15, 2013 ... Re: OBD II Fault code P0171 and P0174 ... A code P0174 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is ... Motor Verso - Latest Motoring News, Car Reviews and Photography The Ford Ranger code P0171 refers to a diagnostic trouble code that indicates an engine running too lean on bank 1. This means that the fuel mixture in the engine is not …Symptoms: P0171 + P0174 Ford Fusion. There aren’t always drivability issues associated with these codes. For most people the first sign that anything is wrong at all is the service engine soon light coming on. ... With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. Take a look around and see if you ... mad dog alcohol tbird100636. 1834 posts · Joined 2005. #5 · Jan 10, 2007. HVACBILL said: I just got service engine soon light on and checked code to find PO171 system too lean (bank one) and …Posted May 6, 2019. 2014 Fusion with 2.0L ecoboost. I occasionally receive the P0171 code (lean bank 1). It may go away for a month and then comes back. Using my odb2 reader, the sort term fuel trim is good but the long term fuel trim is high at idle. At idle it is typically 22 to 27. Under acceleration it appears to drop down a bit.How I fixed my P0171 and P0174 trouble codes on a 2003 Ford F150.2003 F150 engine code P0171. My 'service engine soon' light just came on today. Took my truck to Auto Zone and they told my that my fuel trim bank 1 is running too lean. Told me that I either needed (1) oxygen sensor, (2) spark plugs, or (3) fuel injectors. Just wanted to get any input from this site to see which thing I should try first. honda ridgeline trailsport Fuel Injectors. P0171 indicates that your Ford F150 is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture …P0171 is a generic code, meaning it has the same definition for the Ford Windstar as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel).Jan 27, 2022 ... This 2004 F-150 has leaned codes P0171 and P0174. Having both codes indicates that whatever is causing these lean codes is affecting both ... labyrinth deck yugioh does ups work saturdays P0171 indicates that your Ford Fusion is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. If you have one or more fuel injectors that have gone bad, that can cause ...P0171 is a generic code, meaning it has the same definition for the Ford C-Max as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). ats compliant resume The 1960s Classic Ford Cars Channel covers popular antique Fords from the decade. Take a look under the hood of 1960s classic Ford cars. Advertisement The 1960s Classic Ford Cars C...Feb 11, 2019 ... Fuel control -- meaning -- the heated oxygen sensors along with the mass air flow sensor, the BARO reading and other inputs will influence how ...Jun 16, 2011 · This article will help you to diagnose diagnostic trouble code P0171 (System Too Lean Bank 1) and/or P0174 (System Too Lean Bank 2) on your Ford, Mercury or Lincoln 4.6L or 5.4L equipped car, pick up, van or SUV. Although you can apply this info to any Ford vehicle with a V6 or V8, this info concentrates on the Ford 4.6L and 5.4L V8 engines. The most common cause of the P0171 DTC is having an aftermarket intake that is not tuned for. Other common causes include vacuum leaks, exhaust leaks, a clogged fuel system (injector, pump, regulator), or faulty MAF, O2, or fuel pressure sensors. Most often it is an intake or vacuum leak causing the code.P0171 indicates that your Ford Expedition is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. If you have one or more fuel injectors that have gone bad, that can ...Jan 16, 2008 ... a P0171 is a "system too lean" code. my bet is that you have a small vacuum leak. that would also explain the "surging" idle that your having. ...The most common cause of the P0171 code – and the P0170 and P0173-P0174 codes – is unmetered air entering the combustion system. Most of the time, this happens due to …Oct 10, 2020 · Code P0171 is very common for high mileage Ford cars and any car pretty much. The code stand for P0171 Fuel System Too Lean Bank 1. We will explain the most common causes of the code... Share. Code P0171 indicates Bank 1 of the engine has a lean fuel mixture. P0174 indicates Bank 2 of the engine has a lean fuel mixture. Engine Bank 1 is the same side of the … true detective season 5 The P0171 code is a diagnostic trouble code that indicates a lean condition in the engine’s fuel mixture on Ford vehicles. This code specifically refers to Bank 1, which means that the engine is receiving too much air and not enough fuel. In a push to be more accommodating to small businesses, Ford is aiming to provide electric vehicles to the likes of plumbers and electricians. In a push to be more accommodating to... the continental where to watch Apr 13, 2019 · P0171 is a generic code, meaning it has the same definition for the Ford Freestar as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). Code P0171 Tech Notes. The P0171 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0171 is set in along with the P0174 code, it is highly likely that the problem is caused by an intake leak. ... P0171 Ford Fuel Injection System Too Lean Bank 1 ...P0171 is a generic code, meaning it has the same definition for the Ford Windstar as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel).The P0171 code means the engine isn’t getting the right air-fuel blend (for bank1). Think of the engine like a campfire. You need wood and oxygen at just the ... P0171 Code in Nissan, BMW, Ford and Chevy. In Nissan, BMW, Ford and Chevy, the P0171 code is caused by the following reasons: Faulty Mass Air Flow (MAF) sensor; how to crop photo on mac A Ford X-Plan partner code is the personal identification number that participants of the program use during the purchase of a new vehicle to receive discounts, notes the Ford Moto...The P0171 or P0171 means that something is amiss with your oxygen sensor and can cause a variety of issues. Let’s dive into this code. Pulling a P0171 or P0171 diagnostic trouble code is a common result when diagnosing a check engine light. The P0171 code is a standard code in all vehicles manufactured since 1996 from all …OBD II fault code P0171 is a generic code that is defined as P0171 – “System Too Lean Bank 1”, and is set when the PCM (Powertrain Control Module) receives input data from the #1 oxygen sensor or air/fuel ratio sensor on bank 1 indicating that the air/fuel mixture has been too lean for an extended period of time- usually about 20 ...P0171 is a generic code, meaning it has the same definition for the Ford C-Max as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel).The P0171 code is a generic powertrain code that indicates a lean condition in the engine’s air-fuel mixture. In the context of a Ford Ranger, it specifically points to Bank 1 being too lean. This means that there is either too much air or insufficient fuel getting into the engine on the first bank of …Amazon Affiliate link below https://www.amazon.com/shop/influencer-16c863d5?ref=ac_inf_hm_vphttp://www.milwaukeetool.com/#flatratemasterInstagramhttps://www....Symptoms: P0171 + P0174 Ford Fusion. There aren’t always drivability issues associated with these codes. For most people the first sign that anything is wrong at all is the service engine soon light coming on. ... With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. Take a look around and see if you ...Sep 7, 2018 · P0171 is a generic code, meaning it has the same definition for the Ford Mustang as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). Code P0174 Ford Tech Notes. If the P0174 is combined with the P0171 code, the problem is likely caused by an intake leak or the Intake Plenum Gasket and seals. If there are no intake leaks, the next step is to replace the air filter and clean the airflow meter. If the problem persists, the front oxygen (O2) sensor may need to be replaced.Sep 10, 2018 · P0171 is a generic code, meaning it has the same definition for the Ford Ecosport as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). Aug 31, 2023 · Just Google the codes followed by your car's make and model, for example: "P0171 and P0174 Ford Expedition." As one example, many report that a common cause of the P0171 and P0174 lean mixture fault in the BMW X3 is a faulty DISA valve. How to Read Your OBDII Computer Codes. Read this tutorial on how to use one particular OBDII Bluetooth code ... Oct 11, 2021 ... How I fixed my P0171 and P0174 trouble codes on a 2003 Ford F150.Jan 20, 2024 · The P0171 code could either mean that the oxygen sensor detects too much oxygen or too little fuel in the air-to-fuel ratio. Some possible causes for the imbalance include vacuum leaks, malfunctioning mass air flow sensors, and a clogged fuel filter. Symptoms of the P0171 code include power loss, misfires, and rough idling. P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ...If you own a Ford vehicle and have encountered a check engine light or any other warning lights on your dashboard, understanding the meaning behind Ford diagnostic codes is crucial... Code P0174 Ford Tech Notes. If the P0174 is combined with the P0171 code, the problem is likely caused by an intake leak or the Intake Plenum Gasket and seals. If there are no intake leaks, the next step is to replace the air filter and clean the airflow meter. If the problem persists, the front oxygen (O2) sensor may need to be replaced. cheapest plumber near me best showtime series P0171 is a generic code, meaning it has the same definition for the Ford Ecosport as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel).Video on diagnosing a 1997-2003 Ford F150 Pickup with the 4.2 engine that has the code P0171, system too lean bank 1, and a P0174, system too lean bank 2.htt... food places in madison May 6, 2019 · Posted May 6, 2019. 2014 Fusion with 2.0L ecoboost. I occasionally receive the P0171 code (lean bank 1). It may go away for a month and then comes back. Using my odb2 reader, the sort term fuel trim is good but the long term fuel trim is high at idle. At idle it is typically 22 to 27. Under acceleration it appears to drop down a bit. Aug 18, 2022 · The consumption of fuel increases whenever there is an issue with the air-to-fuel ratio of the gasoline mixture, not just for the P0172 trouble code in Ford. As a result, the fuel economy becomes much worse, and you’ll have to fill up your fuel tank more often. However, this symptom could also mean a p0022 ford f150. What is the Cost to Diagnose the Code P1131 Ford? Labor: 1.0. The cost to diagnose the P1131 Ford code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.Amazon Affiliate link below https://www.amazon.com/shop/influencer-16c863d5?ref=ac_inf_hm_vphttp://www.milwaukeetool.com/#flatratemasterInstagramhttps://www....The Role of Oxygen Sensors in Identifying P0171 Code. The oxygen sensors are always monitoring how much fuel and air is in the mixture. If there is a vacuum leak, it can cause excess air supply to the engine bay. Then, the O2 sensors will detect a rise in air. Also, broken oxygen sensors can trigger the P0171 code.P0171 indicates that your Ford Edge is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. If you have one or more fuel injectors that have gone bad, that can cause ...Code P0174 Ford Tech Notes. If the P0174 is combined with the P0171 code, the problem is likely caused by an intake leak or the Intake Plenum Gasket and seals. If there are no intake leaks, the next step is to replace the air filter and clean the airflow meter. If the problem persists, the front oxygen (O2) sensor may need to be replaced. The P0171 code is a diagnostic trouble code that indicates a lean condition in the engine’s fuel mixture on Ford vehicles. This code specifically refers to Bank 1, which means that the engine is receiving too much air and not enough fuel. P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ...Mar 14, 2022 ... My guess would still be a vacuum leak. Since it's both banks the typical culprit is that rubber PCV line connector on the rear of the intake ...Fuel Injectors. P0171 indicates that your Ford Taurus is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171.In a live interview on Twitter with Ford CEO Jim Farley, Elon Musk announced that Tesla will give Ford access to the network and adapters. Jump to Tesla CEO Elon Musk announced in ...Technical Description. System Too Lean (Bank 1) This means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). These may be your causes. A code P0171 may mean that one or more of the following has happened: * The MAF (Mass Air Flow) Sensor is dirty or faulty. west high torrance drive with a race car driver Overview of how to inspect, diagnose, and repair the causes of a P0171 fault code. What does the P0171 code mean? The P0171 code is set when there is a lean condition on the first bank of the engine. Too much air or insufficient fuel in the fuel-air mixture is called a “lean” condition. Fault code P0171 usually occurs when a vacuum leak …Video on diagnosing a 1997-2003 Ford F150 Pickup with the 4.2 engine that has the code P0171, system too lean bank 1, and a P0174, system too lean bank 2.htt...In this video, I fixed the source of the P0171 code on my 2001 Ford F-150. This code means the O2 sensors detected a lean fuel condition in bank 1 of the eng...Ford assigned dozens of transmission identification codes to its 1973 through 1979 trucks and vans, including F100 through F350 trucks and E100 through E300 vans, and trucks in the... The P0171 code is a generic powertrain code that indicates a lean condition in the engine’s air-fuel mixture. In the context of a Ford Ranger, it specifically points to Bank 1 being too lean. This means that there is either too much air or insufficient fuel getting into the engine on the first bank of cylinders. siesta key season 4 This 2004 F-150 has leaned codes P0171 and P0174. Having both codes indicates that whatever is causing these lean codes is affecting both sides of the engine...The P0171 or P0171 means that something is amiss with your oxygen sensor and can cause a variety of issues. Let’s dive into this code. Pulling a P0171 or P0171 diagnostic trouble code is a common result when diagnosing a check engine light. The P0171 code is a standard code in all vehicles manufactured since 1996 from all …Labor: 1.0. To diagnose the P0171 2006 Ford F150 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. album mr bad guy mn vikings game live What is the Cost to Diagnose the Code P0171 Ford? Labor: 1.0. The cost to diagnose the P0171 Ford code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.Dec 9, 2006 ... I've been reading about the problems with mass airflow sensor causing these code problems. It gets dirty so you may want to clean the sensor. BE ...P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ... garage door will not open Sep 10, 2018 · P0171 is a generic code, meaning it has the same definition for the Ford Transit Connect as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). How to determine the cause of a lean condition on a Ford 5.4 engine. How to locate a vacuum leak without a smoke machine.For more information on this topic, ...P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the first cylinder (Bank 2) is running lean. On inline engines, this code is not available, since there is only one ...Ford assigned dozens of transmission identification codes to its 1973 through 1979 trucks and vans, including F100 through F350 trucks and E100 through E300 vans, and trucks in the... sons of freedom movie 3 cash back In a live interview on Twitter with Ford CEO Jim Farley, Elon Musk announced that Tesla will give Ford access to the network and adapters. Jump to Tesla CEO Elon Musk announced in ...The P0171 code is a generic powertrain code that indicates a lean condition in the engine’s air-fuel mixture. In the context of a Ford Ranger, it specifically points to Bank 1 being too lean. This means that there is either too much air or insufficient fuel getting into the engine on the first bank of …May 15, 2013 ... Re: OBD II Fault code P0171 and P0174 ... A code P0174 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is ...P0171 is a generic code, meaning it has the same definition for the Ford Mondeo as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel).One of the most common causes of the P0171 engine code is a fuel system leak. When your fuel system leaks, more air and less fuel will enter the engine's cylinders. This results in your engine running lean because it can't get the necessary amount of fuel. Another problem with the fuel system is clogged fuel injectors.Oct 9, 2023 · 1997 - 2003 Ford F150 - 2000 4.2l po171, po174, po155 & p1151 solved! - I want to share some important information in the hopes of helping another F150 owner. These are great trucks if you take care of them. P0171 is a generic code, meaning it has the same definition for the Ford Freestyle as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel).Oct 9, 2023 · 1997 - 2003 Ford F150 - 2000 4.2l po171, po174, po155 & p1151 solved! - I want to share some important information in the hopes of helping another F150 owner. These are great trucks if you take care of them. In 1962, Ford introduced a new car category with the mid-size 1962 Fairlane. See pictures and learn the history of the 1962-1965 Ford Fairlane. Advertisement The Ford Fairlane plan...How to fix a Ford P0174 engine code: Fuel Injection System Too Lean Bank 2A lean condition exists if the engine is getting more air than fuel in the cylinder...Ford P0171 & P0174 Lean Codes . Reply Like #3 02-09-2011, 07:05 PM 03 Maz B23. Elder User. Join Date: Apr 2004. Posts: 966 Likes: 0 Received 0 Likes on 0 Posts If you have to replace the DPFE here is a link to Rock Auto. 1998 FORD RANGER EGR Pressure Feedback Sensor . Reply Like #4 ...Code P0171 Ford - System Too Lean Bank 1 - AutoCodes. Learn what causes this common engine light code and how to diagnose and repair it. Find detailed step-by-step …In 1962, Ford introduced a new car category with the mid-size 1962 Fairlane. See pictures and learn the history of the 1962-1965 Ford Fairlane. Advertisement The Ford Fairlane plan...Ford said Friday it has extended a production shutdown of its all-electric Ford Lightning pickup truck by another week. Ford has extended a production shutdown of its all-electric ...Aug 31, 2023 · Just Google the codes followed by your car's make and model, for example: "P0171 and P0174 Ford Expedition." As one example, many report that a common cause of the P0171 and P0174 lean mixture fault in the BMW X3 is a faulty DISA valve. How to Read Your OBDII Computer Codes. Read this tutorial on how to use one particular OBDII Bluetooth code ... In this video I will show you how to use trouble codes, freeze frame data, short term and long term fuel trim data to determine the type of lean condition. E... corporate gift ideas wedding online invitations Home FordP0171 Ford DTC P0171 Make: Ford Code: P0171 Definition: System Too Lean Bank 1 Description: The adaptive fuel strategy continuously monitors the fuel delivery hardware. This DTC sets when the adaptive fuel tables reach a rich calibrated limit. Refer to Section 1, Powertrain Control Software, Fuel Trim for additional information. Cause: The P0171 code is a generic powertrain code that indicates a lean condition in the engine’s air-fuel mixture. In the context of a Ford Ranger, it specifically points to Bank 1 being too lean. This means that there is either too much air or insufficient fuel getting into the engine on the first bank of cylinders. roof leak repair P0171 2014 Ford Fusion. 2014 Ford Fusion with 2.0L Ecoboost. Car is displaying CEL with a code of P0171. At Idle in Closed Loop LTFT is at 29% STFT is around 0% Downstream O2 is steady at around 0.7 volts Not sure how to read the wideband O2 sensor. At 2300 rpm everything stays about he same.Aug 18, 2022 · The consumption of fuel increases whenever there is an issue with the air-to-fuel ratio of the gasoline mixture, not just for the P0172 trouble code in Ford. As a result, the fuel economy becomes much worse, and you’ll have to fill up your fuel tank more often. However, this symptom could also mean a p0022 ford f150. P0171 is a generic code, meaning it has the same definition for the Ford Windstar as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel).Code P0174 Ford Tech Notes. If the P0174 is combined with the P0171 code, the problem is likely caused by an intake leak or the Intake Plenum Gasket and seals. If there are no intake leaks, the next step is to replace the air filter and clean the airflow meter. If the problem persists, the front oxygen (O2) sensor may need to be replaced.Oct 11, 2021 ... How I fixed my P0171 and P0174 trouble codes on a 2003 Ford F150.The oxygen sensor is usually located connected to the catalytic converter. To get better guidance, you can refer to of Eagles owner’s manual. Once locating the oxygen sensor, remove it carefully and install a new better sensor. Usually, replacing the oxygen sensor is the 2nd common method to fix the P0171 code.Technical Description. System Too Lean (Bank 1) This means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). These may be your causes. A code P0171 may mean that one or more of the following has happened: * The MAF (Mass Air Flow) Sensor is dirty or faulty.What does the P0171 code mean? A Code P0171 or system too lean bank 1 means either too much oxygen or too little fuel in the exhaust. This is a ‘lean’ condition or a ‘low fuel trim’ code. The P0171 OBD-II code indicates that the fuel system on the first bank of the engine is weak or that a vacuum leak exists near this side of the engine. A lean state happens …What does the P0171 code mean? A Code P0171 or system too lean bank 1 means either too much oxygen or too little fuel in the exhaust. This is a ‘lean’ condition or a ‘low fuel trim’ code. The P0171 OBD-II code indicates that the fuel system on the first bank of the engine is weak or that a vacuum leak exists near this side of the engine. A lean state happens …A Ford P0171 is a LEAN code for cylinder bank 1, and P0174 is a LEAN code for cylinder bank 2. These codes commonly occur on many Ford vehicles, and are set when the powertrain control module (PCM) sees the air/fuel mixture is running too lean (too much air, not enough fuel). A P0171 lean code for bank 1 is the cylinder bank on the …P0171 and P0174 are diagnostic trouble codes for lean condition in bank 1 and bank 2, respectively. These codes indicate that the engine is receiving too much air or not enough fuel, resulting in a lean air/fuel mixture. The potential causes include a vacuum leak, faulty oxygen sensor, clogged fuel injectors, or a malfunctioning mass airflow ...Symptoms: P0171 + P0174 Ford Econoline. There aren’t always drivability issues associated with these codes. For most people the first sign that anything is wrong at all is the service engine soon light coming on. ... With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. Take a look around and …Amazon Affiliate link below https://www.amazon.com/shop/influencer-16c863d5?ref=ac_inf_hm_vphttp://www.milwaukeetool.com/#flatratemasterInstagramhttps://www....Definition. Both of these codes are generic, which means they have the same meaning regardless of the vehicle. P0171- Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the …What does the P0171 code mean? A Code P0171 or system too lean bank 1 means either too much oxygen or too little fuel in the exhaust. This is a ‘lean’ condition or a ‘low fuel trim’ code. The P0171 OBD-II code indicates that the fuel system on the first bank of the engine is weak or that a vacuum leak exists near this side of the engine. A lean state happens …Mar 6, 2018 ... This suggests that maybe the injection cycle was screwed up by improper injection pressure which WOULD result in a lean condition as reported by ... xcover best family vehicles How to fix a Ford P0174 engine code: Fuel Injection System Too Lean Bank 2A lean condition exists if the engine is getting more air than fuel in the cylinder...Dec 9, 2006 ... I've been reading about the problems with mass airflow sensor causing these code problems. It gets dirty so you may want to clean the sensor. BE ...1997 - 2003 Ford F150 - Codes po171, po174 - I am posting for a friend. He has a 2000 with 5.4. the problem is that it shudders so to speak at idle and low rpm's. this only happens when it is cool to cold outside. he has replaced the fuel filter, the pvc valve and hose and also the MAF sensor. As title says, it has...Let's have a look at this 97 Ford F150 with the classic P0171 "Lean Bank 1" code that seems to happens to these Fords more often than not. Typically it is a ...Just Google the codes followed by your car's make and model, for example: "P0171 and P0174 Ford Expedition." As one example, many report that a common cause of the P0171 and P0174 lean mixture …Dec 23, 2018 · In this video I discuss common causes associated with Ford F series trucks experiencing a rough idle condition and/or codes P0171 and/or P0174. A common caus... naturally speaking dragon What does the P0171 code mean? A Code P0171 or system too lean bank 1 means either too much oxygen or too little fuel in the exhaust. This is a ‘lean’ condition or a ‘low fuel trim’ code. The P0171 OBD-II code indicates that the fuel system on the first bank of the engine is weak or that a vacuum leak exists near this side of the engine. A lean state happens …Jul 8, 2020 · The mass air flow sensor calculates the volume of air entering the engine. If it has gone bad, the air fuel mixture will be off and the P0174 and/or P0171 codes will show. It’ll be located between the air filter and the throttle body. It’s easy to find. It will have a wiring harness plugged into it. saren cetaphil sunscreen ---2