2024 P0171 codigo

Jul 25, 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, .... Luke wienecke

Nov 11, 2018 · It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. Definition. P0171: Fuel Trim System Lean (Bank 1). Symptoms. Check engine light, decreased fuel economy, misfire, hard to find idle. Common Causes. Dirty MAF sensor, vacuum leak, O2 sensor.To diagnose the P0171 Toyota 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.A new minister's appointment raises serious concerns over freedom of expression, access to information, and a possible clampdown on social media. Correction: Due to an editing erro...Limpieza del sensor de oxígeno: La falla P0171 en Jeep puede ser causada por un sensor de oxígeno sucio o dañado. Limpiar o reemplazar el sensor puede solucionar el problema. Revisión de la presión de combustible: Verificar que la presión de combustible esté dentro de los rangos adecuados. Si la presión es baja, puede causar una mezcla ...The P0171 code in a Toyota vehicle signifies that the fuel system is running too lean, meaning there is too much air or not enough fuel in the system. This condition is specifically detected in Bank 1, and it will display the following message on the scan reader: Fuel Trim System Too Lean (bank 1). This causes a number of symptoms, such as: In ...With your Bluetooth scanner, monitor the O2 sensors. They should be oscillating. If it remains flat, then the O2 sensor is bad. It would be a good idea to change both O2 sensors. For the misfire, swap coil pack from cylinder 4 with 1 of the other 3. If the misfire goes to cylinder 4, then your coils are failing.It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor.Aug 21, 2022 · 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. The 1935 Plymouth was new from the frame up, featuring major design and engineering advances. Get important information on this Plymouth model. Advertisement With the worst of the ... El código P0171 indica que la mezcla aire-combustible en el banco 1 del motor es demasiado pobre. Esto significa que hay más aire que combustible en la mezcla, lo cual puede generar problemas en el rendimiento y funcionamiento del motor. If you make some software and sell it online, you can make lots of money. Thanks to low-cost distribution, it’s possible to write one bit of code and sell it many times, generating...ricardo de México hace 9 años. Codigo p0171. - causas que lo originan:1. - fugas de aire de admision 2. -sensor de oxigeno frontal. 3. -regulador de presion de combustible defectuoso. 4. - valvula pcv ( valvula de ventilacion del carter).Fuel Injectors. P0171 indicates that your Toyota Tundra 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.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 ...Some common causes of the P0171 code may include: A faulty fuel pressure regulator; A weak fuel pump; A clogged fuel filter; A faulty powertrain control module (PCM) A vacuum leak; Faulty injector(s) Faulty oxygen sensor(s) A faulty mass air flow sensor; How to Fix Code P0171. The most common repairs needed to fix the P0171 engine code are as ...The P0171 code means that the O2 sensor recognized a lean mixture on bank 1. The sensor can only correct the mixture within +-15%, and if it is out of there, the …Se debe de tener en cuenta que el código de diagnóstico OBD2 P0171 es un código genérico, por lo que este código DTC puede ser provocado en cualquier automóvil independientemente de que sea un vehículo de la marca Mitsubishi o de cualquier otra marca.It indicates that your Chevy Cruze 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 most common causes of P0171 are the purge valve or a vacuum leak. Definition. P0171: Fuel Trim System Lean ...When the P0171 code sets, the oxygen sensors are detecting too little oxygen in the exhaust (running "lean") and the control module is adding more fuel than normal to sustain the proper air/fuel mixture. Rich Mixture = Too much fuel, not enough air. Lean Mixture = Too much air, not enough fuel. Driving with this trouble code is not recommended.The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 …Esto llevará al motor a recibir demasiado combustible, que provocará una mezcla desbalanceada y al código P0171. Además, si el filtro de aire del motor está dañado o sucio, también puede causar el código P0171 en el …The P0171 code means that the O2 sensor recognized a lean mixture on bank 1. The sensor can only correct the mixture within +-15%, and if it is out of there, the …Oxygen Sensor. 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.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.El código de diagnóstico P0171 de Dodge se refiere a un problema en el sistema de inyección de combustible del vehículo. Este código indica que la relación aire/combustible real es demasiado pobre en comparación con la relación teórica deseada. Con el Control de Autoaprendizaje de la Relación Aire/Combustible, la relación de mezcla ...Labor: 1.0. To diagnose the P0171 Mercedes-Benz 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.El código P0171 Toyota significa que el sistema de combustible está fallando y que la gasolina no está llegando al motor. Esto puede deberse a una variedad de factores, incluido un sensor de oxígeno defectuoso, un filtro de combustible obstruido o una fuga de vacío. Cuando el motor funciona pobremente, puede causar daños al …Tools needed for diagnosing advanced P0171 code causes: OBD II scanner or code reader. Carburetor or throttle body cleaner. 1. Disconnected or Leaking Hoses. Air Intake Hose: Find the air intake hose that connects to the engine. Grab and shake it so you can feel if anything is loose.Primero, para reparar un fallo Dodge Ram P0171, es necesario identificar la causa del problema. Esto puede hacerse con una prueba de emisiones, análisis de los sensores de oxígeno, escaneado el código de diagnóstico del vehículo, y una revisión visual de los componentes. Segundo, una vez que hayas identificado la causa del problema, el ...Code P0171 ... Code says Fuel Trim System Lean Bank 1. Found a vacuum leak, thought it was probably throwing the code. I capped off the vacuum.Sep 27, 2020 ... A P0171 code means that the fuel system of your vehicle is running weak or a vacuum leak exists near the engine. Meaning that the engine air- ...Un código P0171 puede ser el resultado de varios problemas: Sensor MAF (flujo masivo de aire) sucio o defectuoso. Fugas de vacío aguas abajo del sensor MAF. Líneas o conexiones de PCV dañadas o defectuosas. Válvula PCV obstruida o defectuosa. Sensor de oxígeno (banco 1, sensor 1) fallido. Inyectores de combustible obstruidos o …Pueden existir diversas razones por las que se detecta un código DTC P0171 Volkswagen en un coche. Algunas causas pueden incluir: Fugas de aire de admisión. Sensores de oxígeno delanteros defectuosos. Fallo en la ignición. Inyectores de combustible defectuosos. Fugas de gases de escape. Presión de combustible incorrecta.Labor: 1.0. To diagnose the P0171 Mitsubishi 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.Limpieza del sensor de oxígeno: La falla P0171 en un BMW puede ser causada por un sensor de oxígeno sucio o contaminado. Limpiar o reemplazar el sensor puede solucionar el problema. Revisión de las conexiones del sensor de oxígeno: Verificar que las conexiones del sensor de oxígeno estén bien ajustadas y sin daños.Correcao do Erro P0171 luz da injecao na Captiva 2.4 OBD2 ELM 327 Torque Lite#captiva #ob2#chevrolet #elm327 #P0171#codigo #injection #injecaoeletronica #inj...Oxygen Sensor. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Caliber’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 the P0171 is combined with the P0174 code, it's highly 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 Mass Air Flow (MAF) Sensor. If the problem persists, the A/F Sensor (Sensor 1) may need to be replaced. User Submitted Video.Here are the four takeaways. Between two burly hugs—and backed by a political mandate that his predecessor so keenly missed—prime minister Narendra Modi on Sunday (Jan. 25) pushed ...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 ...Fuel Injectors. P0171 indicates that your Chevy Sonic 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.A new minister's appointment raises serious concerns over freedom of expression, access to information, and a possible clampdown on social media. Correction: Due to an editing erro...What Does Code P0171 mean? “Code P0171 – system too lean bank 1” means there is too much oxygen or too little fuel in the exhaust, which is referred to as a “lean” condition, or a lean or “low fuel trim” code.Aug 19, 2020 · Vídeo explicativo sobre el CÓDIGO DE FALLA P0171. Descubre qué significa, por qué ocurre y cómo solucionarlo correctamente.LEER SOLUCIÓN DEL CÓDIGO OBD2 EN... Feb 28, 2020 ... The code indicates a lean condition the engine controller is attempting to correct but has reached its enrichment limit. Possible causes: Intake ...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. … El código P0171 indica que el sensor de oxígeno (O2) en el banco 1 envió una señal al módulo de control del motor de que la mezcla de aire y combustible es demasiado pobre para corregirla. Los sensores de O2 tienen la capacidad de corregir una mezcla de combustible de +-15%. Si es necesario corregir más que eso, se almacenará el código ... The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Expedition’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.Fuel Injectors. P0171 indicates that your Chevy Sonic 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.It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor.P0171 and P0174 both indicate that there is a lean condition present in the vehicle. By themselves, they are some of the most common OBD II codes. When they are together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning regardless.Entre las causas más frecuentes y probables que ocasionen la aparición del Código P0171 Toyota tenemos las siguientes: Una muestra de presión incorrecta del combustible. Presencia de fugas de admisión de aire. Defectos o daños en el sensor MAF. Inyector de combustible con fallas o defectos. Poco de combustible.Mar 17, 2023 · A P0171 code appears in the engine control unit when the oxygen sensor on bank 1 recognizes too lean of an air-fuel mixture for the sensor to correct it. Several different things could cause this trouble code. Here is what you need to know about the P0171 code. Oct 1, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Grand Cherokee’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 What Does Code P0171 mean? “Code P0171 – system too lean bank 1” means there is too much oxygen or too little fuel in the exhaust, which is referred to as a “lean” condition, or a lean or “low fuel trim” code.Oxygen Sensor. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your CR-V’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.When the ECM/PCM is having to add too much fuel based on input from the O2 sensor, the fault code P0171 will be sent to the ECM, which will trigger the check engine light to illuminate. This code could either mean that the oxygen sensor is detecting too much oxygen or too little fuel in the mixture. This lack of fuel is known as a lean mixture.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, …Oxygen Sensor. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Caliber’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.Limpieza del sensor de oxígeno: La falla P0171 en un BMW puede ser causada por un sensor de oxígeno sucio o contaminado. Limpiar o reemplazar el sensor puede solucionar el problema. Revisión de las conexiones del sensor de oxígeno: Verificar que las conexiones del sensor de oxígeno estén bien ajustadas y sin daños.El código P0171 Toyota significa que el sistema de combustible está fallando y que la gasolina no está llegando al motor. Esto puede deberse a una variedad de factores, incluido un sensor de oxígeno defectuoso, un filtro de combustible obstruido o una fuga de vacío. Cuando el motor funciona pobremente, puede causar daños al convertidor ...The P0171 code in your Nissan indicates a lean condition in the engine’s air-fuel mixture. To diagnose and fix this issue, you can start by checking for vacuum leaks, …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 …With your Bluetooth scanner, monitor the O2 sensors. They should be oscillating. If it remains flat, then the O2 sensor is bad. It would be a good idea to change both O2 sensors. For the misfire, swap coil pack from cylinder 4 with 1 of the other 3. If the misfire goes to cylinder 4, then your coils are failing.Watch this video to see how to a step drill bit can drill a dozen different size holes in thin stock using only a single drill bit and how to control depth. Expert Advice On Improv...Mezcla PobreElementos en causa. SoluciónResuelto - resolución - soluciónP0171 y P0174Chevrolet Matiz / Spark - Pontiac G2Sintomas:• Luz de check engine encen...So thought that the 2nd Oxygen sensor might went off and replaced it with the cheapest one paying around 25 EUR + postage. After that getting ...It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor.P0171 Code – What Does It Mean & How To Fix It. This is one of the most frequent OBD2 trouble codes. Read the full article below to know what it means, how to fix it, and what …ricardo de México hace 9 años. Codigo p0171. - causas que lo originan:1. - fugas de aire de admision 2. -sensor de oxigeno frontal. 3. -regulador de presion de combustible defectuoso. 4. - valvula pcv ( valvula de ventilacion del carter).Se debe de tener en cuenta que el código de diagnóstico OBD2 P0171 es un código genérico, por lo que este código DTC puede ser provocado en cualquier automóvil independientemente de que sea un vehículo de la marca Mazda o de cualquier otra marca.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 …Fuel Injectors. P0171 indicates that your Toyota Rav4 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.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈===== How to Fix P0171 =====Engine Code P0171 Saving Repair...P0171 is a lean code caused by a vacuum leak, mass airflow failure, faulty PCV valve, or low fuel pressure. What causes code P0171 in a Chevy? A vacuum leak, which brings more air into the air-fuel mixture, or a poor fuel system that does not inject enough fuel into the air-fuel mixture, can cause lean conditions in a Chevy.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.It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor.Mezcla PobreElementos en causa. SoluciónResuelto - resolución - soluciónP0171 y P0174Chevrolet Matiz / Spark - Pontiac G2Sintomas:• Luz de check engine encen...Te suministramos todo lo que necesitas saber sobre el código DTC P0174 Descripción, causas, síntomas y posibles soluciones.LEER SOLUCIÓN DEL CÓDIGO OB...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. ⚠ Check if your Jaguar have Safety Recalls.

Labor: 1.0. To diagnose the P0171 Mercedes-Benz 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.. Gigi's pizza watertown

El código de diagnóstico P0171 en un Toyota Corolla 2005 se refiere a un problema en el sistema de inyección de combustible. Con el Control de Autoaprendizaje de la Relación Aire/Combustible, la relación real de mezcla puede acercarse a la relación teórica de mezcla basada en la señal de retroalimentación de la relación de mezcla de ... Descripción y causas del código de avería P0171 de Peugeot. Consulta la descripción y solución de códigos de averías de diagnóstico OBDII usados por los mecánicos. We detail each company's policy on renting a car for another person. Find out who can drive a rental car, whether you can pay for someone else's rental, and more. You can’t rent a ...It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor.Se debe de tener en cuenta que el código de diagnóstico OBD2 P0171 es un código genérico, por lo que este código DTC puede ser provocado en cualquier automóvil independientemente de que sea un vehículo de la marca …Oxygen Sensor. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Prius’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.Se debe de tener en cuenta que el código de diagnóstico OBD2 P0171 es un código genérico, por lo que este código DTC puede ser provocado en cualquier automóvil independientemente de que sea un vehículo de la marca BMW o de cualquier otra marca.Síntomas del código OBD2 P0171 Nissan. Los síntomas evidentes de un código P0171 Nissan generalmente son: Sistema de inyección de combustible demasiado pobre en el banco 1. Luz de fallo de motor (Check Engine) encendida. Consumo excesivo de combustible. Pérdida de potencia en el motor. Marcha irregular o inestable.It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor.Oct 1, 2018 · The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Grand Cherokee’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 This P0171 OBD II trouble code on your Honda indicates too little fuel and air in the engine mixture, causing it to be too lean. As the combustion temperature is higher when the engine runs lean, driving a car with the code P0171 can cause more damage to the engine over time.“I’m sure to the outside world it seems like, ‘Oh my god, gays in danger here,’ but we will carry on as we always have." At an international conference on Black portraiture, imager...A blockchain project called Safe has grown over the past year to become one of the biggest institutional-grade wallets for managing digital assets... A blockchain project called Sa...TORONTO, Aug. 24, 2020 /CNW/ - Georgian Bay Spirit Co. ™ The creators of Georgian Bay Vodka™ has been recognized as one of the top ten vodkas in t... TORONTO, Aug. 24, 2020 /CNW/ -...Si la señal no responde correctamente, se establece el código P0123. Si su vehículo tiene control de tracción electrónico, también habrá dos sensores de posición del pedal del acelerador (APP) que miden el ángulo del pedal del acelerador. Si hay un problema con los sensores de la aplicación, este código también podría configurarse.Oxygen Sensor. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Tacoma’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.By Vlad Samarin, Updated: July 10, 2021. The 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 can cause more damage to the engine over time, as when the engine runs lean, the combustion temperature is higher.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 TestThe P0171 code on a Nissan Sentra indicates a too lean air-fuel mixture. To diagnose and fix this issue, you can start by inspecting the air intake system for any vacuum leaks or clogged filters. Additionally, check the fuel injectors and oxygen sensors for proper functioning. If necessary, clean or replace these components to rectify the problem.Code 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 ….

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