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Oct 24, 2015 ... This condition is caused by a fuel delivery system concern that restricts or limits the amount of fuel being delivered to the engine. This .... Facial san francisco

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. 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 ... P0171 ford code: system too lean (bank 1) causes, costs, fixes Ford p0174 po171 po174 bank f150 lean system too 2001 ranger p0171 codes egr intake source fault windstar valve air P0171 ford f150 code. How to Diagnose OBD II Fault Codes P0171 and P0174 Leaking Intake and.Ford 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 …The P0171 code on your Ford vehicle indicates a system too lean condition in bank 1. This means that the engine is receiving too much air and not enough fuel. To diagnose and fix this issue, you should start by inspecting the intake system for any leaks or vacuum hose problems. Additionally, you may need to check the Mass …Learn the meaning, causes, symptoms, and fixes of the P0171 Ford code, which indicates a lean mixture ratio in the fuel injection system. Find factory service …Fixing a p2195 p2197 p0171 p0174 code on a Ford expedition 2004One thing that can resolve this is by replacing your fuel filter. The po171 code is related to a faulty MAF and vaccum lines but youre done replacing this and thats a great move. The last thing to do is to replace the fuel filter to resolve the problem. Hope this helps and have a good one! dj_relly999 Jun 02, 2010.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 …P0171 2007 Ford Focus. I'm new and don't really ever work on cars, but if it involves saving $100's for something I can do myself you bet I will. After carefully searching Google for answer I know what the code means, but the lists of fixes is pretty long. Most common solution is a vacuum leak or pvc hose leak.Jan 26, 2024 ... ¿Qué significa el código P0171 en un Ford? ... El código P0171 se traduce en una mezcla de combustible y aire más delgada de lo normal en el motor ...When the P0171/P0174 code sets, look at the freeze frame data. If the freeze frame indicates that the code set at higher RPMs and higher engine loads, you could have a fuel supply issue - fuel filter or weak pump, or failing fuel pressure regulator. (It doesn't take a lot of fuel pressure to rev the engine in neutral.Oct 10, 2020 · FORD CODE P0171 SYSTEM TOO LEAN BANK 1. EASY FIXIf you have Ford, your engine light is on and you have code P0171 in this video we will explain what often ca... 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.Fuel Injectors. P0171 indicates that your Ford F350 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.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 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).Aug 18, 2023 · How to fix a Ford P0171 engine code: System Too Lean (Bank 1) A lean condition exists if the engine is getting more air than fuel in the cylinders. (Air/Fuel... The P0174 code means that the O2 sensor on bank 2 has recognized a too lean mixture, and the imbalance is too great for the O2 sensor to correct the issue on its own. The O2 sensor can correct a fuel mixture of +-15%. If the needed correction is out of this range, the P0174 code will be stored.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, … On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. The P0171 is one of the more common trouble codes. This code is triggered by the first downstream (front) O2 sensor. The sensor provides a reading of the air:fuel ratio leaving the engine's cylinders, and the vehicles powertrain/engine control module (PCM/ECM) uses ... Codes: P0171 & P0174 (system too lean bank 1 & 2) ... TPS(throttle position sensor), or the MAF(mass airflow sensor). I started out by cleaning ...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 …Aug 18, 2023 · How to fix a Ford P0171 engine code: System Too Lean (Bank 1) A lean condition exists if the engine is getting more air than fuel in the cylinders. (Air/Fuel... The P0171 code is a common diagnostic trouble code that indicates a lean condition in the engine’s fuel system. It often points to potential issues with the mass air flow sensor, oxygen sensors, or even a vacuum leak. Understanding this code is crucial when it comes to troubleshooting and maintaining your Ford vehicle’s performance. Sep 10, 2018 · Fuel Injectors. P0171 indicates that your Ford Ranger 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. 6.7L Power Stroke Diesel - Code P0170-Power Fuel Trim (Bank 1) - Hey guys, Drove the truck to the store tonight about 5 minutes away and everything seemed fine. ... 10 ton dumping trailer with ease and is the best damn truck I have ever had so I am not going to worry about it until Ford figures it out. Regards, Lauren Reply Like #10 03-16 …Check engine light P0171 bank 1 mix too lean. The truck began idling rough.Replace the hose in the back of the air intake manifold. When you take it apart an...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).P0174 indicates that your Ford Escape 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 P0174. It’s unlikely that you’ll see P0171 if this is the case.One of the most common trouble codes with the Ford Ranger is P0171. It indicates that your Ford Ranger is running lean on the bank one side. …Oct 15, 2023 ... Getting engine fault code P0171 - System Too Lean Bank 1? Unraveling the mysteries behind engine codes can be daunting. One such code, P0171 ...Labor: 1.0. The cost to diagnose the P0191 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 …Sep 7, 2018 · P0171 indicates that your Ford Focus 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 ... Are you in the market for a used Ford F-150? If so, you’ve come to the right place. Finding the perfect used Ford F-150 at the best price can be a daunting task, but with a few tip...Maintenance Shop - P 0174, p0171, p0401 Problem solved - Just a quick posting to thank the F150 forum for being there. After experiencing the above System too Lean codes and EGR flow insufficient I read nearly every entry on solving this problem for my 2002 F150 4.2L. This truck has 252,000 miles on the odo, and still...What Does Code P0171 Mean For Your Ford? Causes Of P0171 Code In Ford Vehicles. 1. Faulty Mass Airflow Sensor (MAF) 2. Vacuum Leaks. 3. Faulty Fuel …Diagnostic trouble code P0171 means System Too Lean (bank 1). That means the car computer noticed the engine is running lean. A lean system …Having to deal with the P0345 Ford F150 code but don't even know what it means? This is the perfect place for you to learn more about this code! ... P0171 Code Ford F150: Meaning, Symptoms, & Fixes. P0022 Ford F150: Why Does It Appear & How to Fix It? P0106 Volkswagen: Everything You Need to Know.It has 140k miles on it. I am getting a couple code P0171; no other codes. I have read through the other threads and seen that it could be caused by a lot of things. ... Every vehicle has something that goes out and is somewhat difficult to replace, on the 2.0/2.3 Ford/Mazda motors, this is an item known to fail and cause a vacuum leak. …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...A perpetual P0171 code was preventing me fr... I will show you some tips and tricks I learned while fixing the lean codes on my 2003 Ford F150 with the 4.2L V6. A perpetual P0171 code was ...Code P0316 on a Ford means the power train control module detected a misfire shortly after startup. This code requires a check for appropriate technical service bulletins, as there...The P0171 code generally tells you too much air is getting into your engine. While this fault code isn’t severe on its own, it can lead to further damage that is more serious. Let’s take a …When he put fuel in he car it would stumble and die, I show how to test purge solenoid and replace itThe OBDII trouble code P0171 - System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel. Driving a car with the code P0171 …Sep 10, 2018 · P0171 is a generic code, meaning it has the same definition for the Ford Escape as any other vehicle. Fuel Trim System The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). P0171: jelentése, okai, javítások. A megfelelő levegő/üzemanyag arány fenntartása érdekében a motor vákuum- és üzemanyagnyomásának a gyártó által előírt értékeken belül kell lennie. A P0171 kód azt jelenti, hogy a motor első sorában az üzemanyagrendszer gyengén működik, vagy a motor ezen oldalának közelében ...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 …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...Code P0316 on a Ford means the power train control module detected a misfire shortly after startup. This code requires a check for appropriate technical service bulletins, as there...Diagnostic trouble code (DTC) P0174 stands for “System Too Lean (Cylinder Bank 2).”. Your vehicle’s powertrain control module (PCM) will log this trouble code if it detects a lean running condition in the engine’s cylinder bank 2. The usual causes of a P0174 code are outdated PCM software, vacuum leaks, a bad mass airflow sensor, …Having to deal with the P0345 Ford F150 code but don't even know what it means? This is the perfect place for you to learn more about this code! ... P0171 Code Ford F150: Meaning, Symptoms, & Fixes. P0022 Ford F150: Why Does It Appear & How to Fix It? P0106 Volkswagen: Everything You Need to Know.Causes of Code P0171. The vacuum system is the first area to check when your vehicle stores a P0171 code. A small tear or crack in the vacuum lines causes extra air to enter the system. A leak that causes diagnostic trouble code P0171 could be anywhere around the engine intake, including the PCV hoses, vacuum hoses, and the intake …Sep 10, 2018 · Fuel Injectors. P0171 indicates that your Ford Explorer 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. 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 …Jan 7, 2023 · The P1131 code indicates that the heated oxygen sensor contains a failure in the upstream flow. Therefore, Bank 1 is seen as running lean. P1131 is a manufacturer-specific trouble code that is routinely found with several Ford models. The ECM (Engine Control Module) receives data from the oxygen sensors in the vehicle. Nov 23, 2014 ... In this video I go over another common cause for lean codes on the 4.0L SOHC Engines. New R/C Channel R/C Addict Makuloco- ...Sep 10, 2018 · 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 ... Apr 13, 2019 · 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). The P0174 code means that the O2 sensor on bank 2 has recognized a too lean mixture, and the imbalance is too great for the O2 sensor to correct the issue on its own. The O2 sensor can correct a fuel mixture of +-15%. If the needed correction is out of this range, the P0174 code will be stored.Aug 31, 2023 · 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. If the oxygen in the exhaust gas increases, the air-fuel ratio becomes Lean. The ECM interprets Lean when the HO2S voltage is below 0.45 V. If the oxygen in the exhaust gas decreases, the air-fuel ratio becomes Rich. The ECM interprets Rich when the HO2S voltage is above 0.45 V. P0161 Ford Code - O2 Sensor Heater Circuit Bank 2 Sensor 2.P0171 code ford f150. P0174 p0171 diagnostic diagnosingP0174 lean failing pcm regulator injectors update P0171 p0174 diagnosing pointsFord trouble code p0611. P2197 code ford mustangFord p0171 and p0174 system lean P0174 code: system too lean (cylinder bank 2)Obd2 codes archives.P0171 System too Lean (Bank 1) P0174 System too Lean (Bank 2) If a car has a check engine light on and has P0171 and P0174 codes stored, the most likely cause is a vacuum leak. These codes are set by the car’s computer when it sees too much oxygen in the exhaust. Excessive oxygen readings in the exhaust will set lean codes.The P0171 diagnostic trouble code indicates the vehicle's computer or Engine Control Module (ECM) has picked up too little fuel or too much air in the system. …Oct 24, 2015 ... This condition is caused by a fuel delivery system concern that restricts or limits the amount of fuel being delivered to the engine. This ...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 …Sep 10, 2018 · P0171 is a generic code, meaning it has the same definition for the Ford Escape 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 on your Ford vehicle indicates a system too lean condition in bank 1. This means that the engine is receiving too much air and not enough fuel. To diagnose and fix this issue, you should start by inspecting the intake system for any leaks or vacuum hose problems. Additionally, you may need to check the Mass …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...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.Aug 12, 2010 ... The P0171 code means it's bank 1, which is the side that has cylinder #1. You could have an exhaust system leak, bad O2 sensor, intake manifold ...2006-2010 Ford Explorer The Ford Explorer and the Mercury Mountaineer were both updated for the 2006 model year on a new frame, produced by Magna International rather than Tower Automotive. 25 Questions View allP0171 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 …Fuel Injectors. P0171 indicates that your Ford Ka 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 ...Whether you already own a Ford vehicle or you want to be a Ford owner, you can find a Ford dealer near you to purchase a car or get service for the one you own. Use these tips to f...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.Oct 24, 2015 ... This condition is caused by a fuel delivery system concern that restricts or limits the amount of fuel being delivered to the engine. This ...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 …Sep 7, 2018 · P0171 indicates that your Ford Focus 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 ... Low fuel pressure or running out of fuel. EVAP purge valve is leaking when the canister is clean. Fuel supply line restricted. Fuel rail pressure (FRP) sensor …Oct 15, 2023 ... Getting engine fault code P0171 - System Too Lean Bank 1? Unraveling the mysteries behind engine codes can be daunting. One such code, P0171 ...Jul 7, 2020 · P0171 and P0174 both indicate that there is a lean condition present in your Ford Expedition . By themselves, these are some of the most common OBD2 codes. When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same.

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. . Virtueshampoo

p0171 code ford

Jul 7, 2020 · P0171 and P0174 both indicate that there is a lean condition present in your Ford Expedition . By themselves, these are some of the most common OBD2 codes. When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same. 1983 - 2012 Ranger & B-Series - 97 Ranger P0171 P0174 Codes - I tried searching posts and got some answers but I am looking for more definitive ones. I have a 97 Ranger 4x4, 4.0L, A4LD, 68k mi. with P0171 and P0174 codes, lean fuel mixture banks 1 and 2. The truck will rev up and down from 500-1000 RPM when Im rolling...The P0171 diagnostic trouble code indicates the vehicle's computer or Engine Control Module (ECM) has picked up too little fuel or too much air in the system. …Sep 10, 2018 · Fuel Injectors. P0171 indicates that your Ford Ranger 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. On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. The P0171 is one of the more common trouble codes. This code is triggered by the first downstream (front) O2 sensor. The sensor provides a reading of the air:fuel ratio leaving the engine's cylinders, and the vehicles powertrain/engine control module …P0174 indicates that your Ford Freestyle 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 P0174. It’s unlikely that you’ll see P0171 if this is the case.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.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 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).When the P0171/P0174 code sets, look at the freeze frame data. If the freeze frame indicates that the code set at higher RPMs and higher engine loads, you could have a fuel supply issue - fuel filter or weak pump, or failing fuel pressure regulator. (It doesn't take a lot of fuel pressure to rev the engine in neutral.Nov 2, 2014 ... Will need to check fuel pressure... Ford p0171 AND p0174 lean codes can also be set by a bad EGR differential pressure sensor. These sensors ...I had a fuel smell and and engine miss. codes p1450,p0136,p0156,p1131P0171 f150 1998 fix maf 1999 ford explorer p0171 and p0174 codes / expedition código p0171Engine code p0174 ford f150. 2010 f150 platinum is throwing a p0563 code. has happen 2 times when onParts & accessories pcv valve hose …Popular Mechanics Magazine can recommend trying a few troubleshooting steps to resolve the P0171 code in a Ford F150. One technique is to check for vacuum leaks using a smoke machine or by spraying carburetor cleaner around the intake manifold and vacuum lines while the engine is running. Another suggestion is to clean or replace the Mass Air ...Aug 7, 2014 ... I Googled the code and found it is for the bank 1 O2 sensor reading too lean. Through talking with people and further research online I'm being ...Code P0113 Definition. P0113 – Intake Air Temperature Sensor 1 Circuit High Input. What Does the P0113 Code Mean? P0113 is a generic diagnostic trouble code that applies to all OBD-II-equipped vehicles. It indicates a signal coming from the Intake Air Temperature (IAT) sensor that is higher than the …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 …2006-2010 Ford Explorer The Ford Explorer and the Mercury Mountaineer were both updated for the 2006 model year on a new frame, produced by Magna International rather than Tower Automotive. 25 Questions View allIn this article, we’ll discuss the common causes of the P0171 code and provide some valuable tips and tricks to help you troubleshoot and get your Ford F-150 running again. We’ll also provide a table summarizing the most important aspects of this issue.Oct 24, 2015 ... This condition is caused by a fuel delivery system concern that restricts or limits the amount of fuel being delivered to the engine. This ...Sep 7, 2018 · Fuel Injectors. P0171 indicates that your Ford Mondeo 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. P0171 is a diagnostic trouble code (DTC) for "System Too Lean (Bank 1)". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 . .

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