The P0171 code is thrown when the bank one sensor one O2 sensor reports that your S10’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. …The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Cavalier’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.Bar codes are a machine-readable representation of data. They have expanded in complexity from the original data representation in varying widths and spacing of vertical lines to t...The P0171 code indicates that there is an imbalance in the air-fuel mixture entering the combustion chamber of one or more cylinders. This means that either too much air or not enough fuel is being supplied to the engine, resulting in lean-burn conditions and decreased performance.Aug 11, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Cavalier’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test 25 Jul 2003 ... - If fuel pressure is too high then check fuel pressure regulator and fuel return pipe. - If fuel pressure is too low then check the fuel pump, ...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 thrown when the bank one sensor one O2 sensor reports that your Pathfinder’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.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 P0171 Chevy Cruze: Is It Serious. Take the reading carefully whenever your Chevy Cruze check engine light is on. This regulation does not apply to the P0171 code. You shouldn’t drive your car very far, if at all when the engine stores this code. When your engine is running lean, it lacks the fuel it needs to function properly.P0171 Code Symptoms. A variety of symptoms are associated with a P0171 Code, which depends on how bad the air-fuel ratio is. There may not be many symptoms if the ratio is only slightly off, and the vehicle may be drive able. In lean engines, the car may stall because it lacks power when stopped at a stop sign. There may also be a feeling of ...Lock Picking: The Picker Code - For some professionals, an electric lock pick gun takes the challenge out of lock picking. Learn about lock pick guns and the uses and ethics of loc...The P0171 code is thrown when the bank one sensor one O2 sensor reports that your S10’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. …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. Engine Code P0171: System Too Lean (Bank 1). The fuel system is running weak or a vacuum leak exists near the engine. Engine Code P0171 means that the …Learn about QR code uses in your business, with easy examples. See how to use QR codes for marketing, texting, contactless transactions, much more. If you buy something through our...28 Feb 2020 ... The code indicates a lean condition the engine controller is attempting to correct but has reached its enrichment limit. Possible causes: Intake ...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 engine as Engine Cylinder 1. Engine Bank 2 is the opposite side of the engine. A firing order and cylinder location diagram may be needed to see which side of the engine is ... A code of conduct is necessary so members of an organization or group understand the standards they will be expected to uphold when interacting with each other and others outside t...P0171 is often accompanied by P0174 (System Too Lean Bank 2). Common causes. A contaminated or faulty mass air flow sensor. A vacuum leak. Sensor malfunctions or …The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Cavalier’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Ranger’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.Gm’s 1.4L turbocharged 4-cylinder engine, commonly found in the Chevy Sonic, Cruze and Buick Encore, has a well-known issue resulting in a lean code, P0171, ...The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Tucson’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.Dec 21, 2023 · P0171 indicates a lean air-fuel mixture in engine bank 1, causing low power and emissions issues. Common causes include faulty oxygen sensor, mass airflow sensor, PCV system leaks, vacuum leaks, bad air filter, clogged fuel filter, faulty fuel injectors, and exhaust leaks. Symptoms include rough idle, loss of power, misfires, poor acceleration ... Jul 13, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Trailblazer’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test To resolve the P0171 code in a Nissan Pathfinder, the following steps can be taken: Clean or replace clogged or leaking fuel injectors. Repair or replace a malfunctioning fuel pressure regulator. Clean or replace the MAF sensor if it is dirty or faulty. Fix any intake air leaks by tightening or replacing damaged components.We've got an exclusive Square promo code for hardware. Use code PTMSquare for 20% off your first hardware purchase. For new customers only. Part-Time Money® Make extra money in you...Powertrain Control Module or PCM sets the code p0171 that you may see on the scanner during the engine diagnosis of your ford f-150. The code p0171 indicates that the system is running too lean. The word ‘lean’ refers to the deviation in the ideal air-to-fuel ratio, which is 14.7:1, 14.7 particles of air for the combustion of 1 particle of ...Sep 7, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your F350’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test Addressing a P0171 code should be considered a priority to prevent potential stalling, reduced vehicle performance, and expensive engine or catalytic converter damage. Repair and Maintenance. 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 …When bank 1 exceeds that ratio for a certain period of time, the P0171 code will be triggered and the check engine light will illuminate. What Causes the Code P0171? There are a number of possible causes or combinations of faults that can result in the P0171 lean code: Vacuum Leak. One of the most common causes of the P0171 code is a …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. 30 Mar 2022 ... What Does Code P0171 Mean? Your engine block is not receiving a good air-fuel ratio when you get a P0171 code. The main cause of this code is ...P0171 code means there is too much oxygen or too little fuel in the exhaust, which is a lean condition. It can be caused by leaks, dirty sensors, or weak …The P0171 code indicates that the oxygen (O2) sensor on bank 1 sent a signal to the engine control module that the air-fuel mixture is too lean to be corrected. The O2 sensors have the ability to correct a fuel mixture of +-15%. If it needs to be corrected more than that, the P0171 code will be stored. See moreThe P0171 code is thrown when the bank one sensor one O2 sensor reports that your Tucson’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.Nov 20, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your CX-5’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test Music has long been shown to boost both cognitive performance and productivity. These are the most popular songs to code to. Music has long been shown to boost both cognitive perfo...What P0171 really means. Over time when the engine wears, parts break, or if measuring sensors become faulty, the computer can make corrections by lengthening the on time for the fuel injectors to richen up the mixture.This code can also be accompanied by a P0174, which will identify bank 2 as lean.The ideal stoichiometric ratio is 14.7 parts ... Mar 2, 2023 · A P0171 code indicates a lean condition or low fuel trim code, which means either too much oxygen or too little fuel in the exhaust. Some possible causes of a P0171 engine code are a vacuum leak, weak fuel pump, broken fuel pressure regulator, blocked fuel filter, faulty powertrain control module, defective injectors, faulty oxygen sensors ... The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Cruze’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. …The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Traverse’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.Code P0171 Chevy Cruze: Is It Serious. Take the reading carefully whenever your Chevy Cruze check engine light is on. This regulation does not apply to the P0171 code. You shouldn’t drive your car very far, if at all when the engine stores this code. When your engine is running lean, it lacks the fuel it needs to function properly.Aug 6, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Vibe’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test P0171: oxygen sensor in bank 1 has detected a lean condition (too much oxygen in the exhaust). the side of the engine that has P0171 is one of the more common trouble codes. This code is triggered by the first downstream (front) O2 sensor. Bank #1 refers to the side which has cylinder #1, In a 4 cylinder it is the cylinder in the front of the ...The diagnostic code p0171 happens when a lean mixture is detected by the front O2 sensors. This lean mixture can either be short term or long term. If the lean mixture is a short term one, it means that the fuel mixture is usually very lean. Otherwise, for long-term lean mixture, the code p0171 is registered according to an indication of the ...Nov 21, 2023 · What Does Code P0171 Mean? OBD II fault code P0171 is a generic code that is most commonly defined as “System Too Lean- Bank 1”, and is set on gasoline engines when the PCM (Powertrain Control Module) detects that the air/fuel mixture is too lean. In this context, “lean” refers to a condition where there is too much air relative to fuel ... Jul 27, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Colorado’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test You might think that postal codes are primarily for sending letters and packages, and that’s certainly one important application. However, even if you aren’t mailing anything, you ...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 ...An NCK code is used to allow some types of cellular phones to connect to any phone network. It is also known as the “network code key” or “network unlock key.”The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Spark’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. …The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Passat’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.Feb 21, 2022 · P0171 is a trouble code that indicates the engine is running lean due to too much air or not enough fuel. Learn how to diagnose and fix this code with the FIXD sensor and app, or find a certified shop for professional help. May 23, 2023 · The onboard computer is receiving information that the Air/Fuel ratio on Bank 1 of the engine is faulty. The P0171 trouble code in a Honda Accord indicates a lean condition in the engine. It means that the air-fuel mixture in the engine is imbalanced, with too much air and insufficient fuel. This imbalance can lead to poor engine performance ... Learn the difference between source code and object code within computer programming. Each term has its own use; deciphering them can be difficult at first, but with this easy-to-f...The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Rogue’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. …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 ...The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Ranger’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.Anyone who has worked in any portion of the medical field has had to learn at least a little bit about CPT codes. These Current Procedural Terminology codes are used to document an...P0171 indicates that your Saturn Vue 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 ...SpeedoJosh [OP] Well-Known Member. So I've been plagued with a P0171 code (lean bank 1). Trying to be a mechanic, I read the code and started googling. Part after part, nothing. Finally took it to a shop and had them live data read it. Low fuel pressure. Bad fuel pump. $500 to swap out.The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Highlander’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.Jul 15, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Traverse’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test You might think that postal codes are primarily for sending letters and packages, and that’s certainly one important application. However, even if you aren’t mailing anything, you ...The P0171 code is thrown when the bank one sensor one O2 sensor reports that your F150’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test. If your F150 has two cylinder banks, you can swap the O2 …Nov 11, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Sentra’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test P0171 Code Symptoms. A variety of symptoms are associated with a P0171 Code, which depends on how bad the air-fuel ratio is. There may not be many symptoms if the ratio is only slightly off, and the vehicle may be drive able. In lean engines, the car may stall because it lacks power when stopped at a stop sign. There may also be a feeling of ...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 ... To resolve the P0171 code in a Nissan Pathfinder, the following steps can be taken: Clean or replace clogged or leaking fuel injectors. Repair or replace a malfunctioning fuel pressure regulator. Clean or replace the MAF sensor if it is dirty or faulty. Fix any intake air leaks by tightening or replacing damaged components.January 23, 2023 by Jason. One of the most common trouble codes with the Nissan Sentra is P0171. It indicates that your Nissan Sentra is running lean on the bank one side. It’s the most common air/fuel mixture-related code. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common codes.The P0171 code is thrown when the bank one sensor one O2 sensor reports that your LeSabre’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code.System Lean. The code is thrown when the oxygen sensors detect the air-fuel mixture is “lean” (too much air or not enough fuel). The vehicle’s PCM will add more fuel to the mixture to bring the air-fuel mixture where it needs to be for optimal combustion. It also throws the code P0171 to let you know it has done this.Sep 10, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Escape’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test The cost to diagnose the P0171 Chevrolet 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. What are Code P0171 Chevrolet Possible Symptoms? Engine Light ON (or …P0171 indicates that your Toyota Corolla 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 ...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 ... 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 …The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Silverado’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test. If your Silverado has two cylinder banks, you can …Nov 21, 2023 · What Does Code P0171 Mean? OBD II fault code P0171 is a generic code that is most commonly defined as “System Too Lean- Bank 1”, and is set on gasoline engines when the PCM (Powertrain Control Module) detects that the air/fuel mixture is too lean. In this context, “lean” refers to a condition where there is too much air relative to fuel ... 22 Sept 2010 ... Automotive computers and error codes are a blessing and a curse for mechanics. If your 2000 Ford Taurus shows error code P0171, ...P0171 code means there is too much oxygen or too little fuel in the exhaust, which is a lean condition. It can be caused by leaks, dirty sensors, or weak …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. A p0171 can be stored for a lot more reasons that a dirty/failed MAF sensor. There are several possible issues that you need to address. Vacuum leaks, injector issues, O2 sensor issue, fuel pump issue (less likely since it is only one bank, but the other side could be right on the brink of code) I would get a data reader and check your fuel trim numbers. CODE P0171 ENGINE LIGHT ON JEEP COMPASS RENEGADEIf you Jeep Compass or Renegade and you have engine light on and code P0171 we will show what usually causes ...We've got an exclusive Square promo code for hardware. Use code PTMSquare for 20% off your first hardware purchase. For new customers only. Part-Time Money® Make extra money in you...Powertrain Control Module or PCM sets the code p0171 that you may see on the scanner during the engine diagnosis of your ford f-150. The code p0171 indicates that the system is running too lean. The word ‘lean’ refers to the deviation in the ideal air-to-fuel ratio, which is 14.7:1, 14.7 particles of air for the combustion of 1 particle of ...P0171 indicates that your Hyundai Tucson 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 ...The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Highlander’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test. If your Highlander has two cylinder banks, you …The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Spark’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. …
A P0171 code on a GMC is a diagnostic trouble code that indicates a lean condition in the engine’s air-fuel mixture. This means that there is too much air and/or too little fuel being delivered to the engine, resulting in a mixture that is not optimal for combustion. It is important to address this issue promptly as a lean condition can cause various problems, …. Love on top
CODE P0171 ENGINE LIGHT ON JEEP COMPASS RENEGADEIf you Jeep Compass or Renegade and you have engine light on and code P0171 we will show what usually causes ...Code P0171 Jaguar Tech Notes. If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. If the problem persists the front oxygen (O2) sensor may need to be replaced.I have a very similar problem. I get the P0171 code every time I drive the car above 80mph. It will not trip for months, but if I put cruse control at 80 and drive it will go off within 3 or 4 minutes. I am not sure if this indicates something specific that I …A P0171 code means the engine is too lean on Bank 1, which affects the air-to-fuel ratio and performance. It can be caused by vacuum leaks, worn fuel pumps, …The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Titan’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. …Feb 6, 2024 · 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 manifold gasket. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Rogue’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. …Powertrain Control Module or PCM sets the code p0171 that you may see on the scanner during the engine diagnosis of your ford f-150. The code p0171 indicates that the system is running too lean. The word ‘lean’ refers to the deviation in the ideal air-to-fuel ratio, which is 14.7:1, 14.7 particles of air for the combustion of 1 particle of ...Symptoms of BMW Code P0171. When a BMW displays code P0171, drivers may experience the following symptoms: Check Engine Light: The check engine light will illuminate to indicate a problem with the engine’s air-fuel mixture. Poor fuel economy: A lean condition can cause increased fuel consumption, leading to decreased fuel efficiency. …Nov 21, 2023 · What Does Code P0171 Mean? OBD II fault code P0171 is a generic code that is most commonly defined as “System Too Lean- Bank 1”, and is set on gasoline engines when the PCM (Powertrain Control Module) detects that the air/fuel mixture is too lean. In this context, “lean” refers to a condition where there is too much air relative to fuel ... Lock Picking: The Picker Code - For some professionals, an electric lock pick gun takes the challenge out of lock picking. Learn about lock pick guns and the uses and ethics of loc...30 Mar 2022 ... What Does Code P0171 Mean? Your engine block is not receiving a good air-fuel ratio when you get a P0171 code. The main cause of this code is ...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...Powertrain Control Module or PCM sets the code p0171 that you may see on the scanner during the engine diagnosis of your ford f-150. The code p0171 indicates that the system is running too lean. The word ‘lean’ refers to the deviation in the ideal air-to-fuel ratio, which is 14.7:1, 14.7 particles of air for the combustion of 1 particle of ...The P0171 code in a Honda CRV can be caused by several factors: Air leaks in the intake system, such as a cracked vacuum hose or faulty intake manifold gasket. A malfunctioning mass airflow sensor (MAF) that inaccurately measures the incoming air volume. A clogged fuel injector that restricts the proper flow of fuel into the combustion chamber.Want to write clean code faster? An HTML and CSS code editor can help. Discover the perks of having a code editor and see the top options for this year. Trusted by business builde...The diagnostic trouble code P0171 means the air-fuel mixture ratio is too lean, or there is too little fuel or too much air on the bank 1 cylinders. If you ….