P0171 code chevy trax

OBD code P0171 indicates a serious issue with the fuel/air ratio entering the first cylinder bank on your Chevrolet Trax - i.e. the side with the #1 cylinder. This generally means that you've got a leak somewhere that's keeping the engine from getting enough fuel.

Chevrolet Sonic, or 2014 model year Chevrolet TRAX vehicle, your satisfaction with our product is very important to us. This letter is intended to make you aware that some 2014 model year Buick Encore, 2011 - 2014 model year Chevrolet Cruze, 2012 - 2014 model year Chevrolet Sonic, and 2014 model year Chevrolet TRAX vehicles, equipped with a 1.4LWhat 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 …As explained by Kelley Blue Book, a P0171 engine code indicates an imbalance in the air-to-fuel ratio of the vehicle's engine. Specifically that there's too …I have a 2005 cobalt 2.2 base with a cold air intake that gives a p0171 code. ... smilie_flagge17 rives 2016 Sunset Orange Trax LT1 1.4L Turbo auto 3GNCJPSB8GL142716: ... A forum community dedicated to Chevy Cobalt owners and enthusiasts. Come join the discussion about performance, modifications, parts, classifieds, troubleshooting, maintenance ...13 Aug 2022 ... Comments51 · Chevrolet Trax ecotec . · CHEVROLET SONIC FALLA Y GENERA CODIGO P0171 | MOTORMEX · Chevy Trax / Cruze / Buick Encore Valve Cover&n...

29 May 2020 ... 2011-2015 CHEVY CRUZE ROUGH IDLE FIXED! CODES P0171 P1101 P0106 FIXED! PVC VACUUM LEAK DIAGNOSIS AND FIX! VALVE COVER GASKET REPLACEMENT!The code p0299 for the chevy trax indicates that pcm/ecm has found the bank "a" or single turbocharger or supercharger is not providing a normal amount of boost. Like (25) Leave your answer . Name. Submit Answer The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com ...I have had local parts shop check the fault codes. OBD is showing primary fault code as P0171. primary DTC is showing fuel trim system lean. Mechanic's Assistant: Ok. Thanks for the info. The Chevrolet Mechanic can help with your 2019 Chevy Trax LS's P0171 code and symptoms of rough idle and starting difficulty.P0171 System Too Lean Fix. PCV Hose Replacement 2.0t Cadillac ATS and Chevy Malibu 2013-2020. Diagnosing P0171 System too lean code. How to Remove and Replac...This is a 2015 Chevrolet Trax with 1.4 Turbo engine. P0171 and P1101 sorry on video I said P1107 that was wrong. I put the smoke tester and the breather on t...HOW TO FIX CODE P0096 P0097 P0098 P0111 P0112 P0113 CHEVROLET, CHEVY, BUICK, GMC, CADILLAC Car Scanner: https://amzn.to/2tdNh5k Check out our Amazon Store ...

Code: P0171 + Oil smell inside/outside car at idle. Leak onto exhaust. Mystery leak: I recently replaced the turbo oil feed line on 2011 80k+ 2lt rs package Cruze. Oil has stopped seeping from that line but the noxious smell of burning oil remains at idle and intensifies with the heat on. Oil is clearly leaking into or onto the exhaust but from ...P0301 is a fairly common trouble code with the Chevy Trax. It's an OBD2 code and indicates that your vehicle’s first cylinder is misfiring. ... If they look fouled, new plugs will likely clear this code. P0301 + P0171. Look for a vacuum leak around the first cylinder or a bad fuel injector. P0171 is one of the most common trouble codes there ...P0116 indicates that your Chevy Trax's engine coolant temperature sensor is sending a signal to the PCM (powertrain control module) that is outside of its normal operating range (in terms of voltage). While P0116 is a generic OBD2 code (it has the same definition for any car or truck), it has the same basic causes and diagnostic order for the ...The P0303 code means that cylinder 3 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 3. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes". This Factory Service Bulletin explains how this ...

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I need help with this codes please is p0171 p0299 and p0420 is on 2011 Chevy Cruze 1.4 turbo - Answered by a verified Chevy Mechanic. ... 2012 chevy Cruze 1.4 codes p0299 p0300 p1101 and u0109. Customer vehicle came in with check engine light on. Those are the codes.Engine is idling rough & seems to want to stall. CEL came on last Sunday. Ticking noise when running. I had the cruise control on today at 60mph, completely flat road & MPG indicator was erratic - bouncing from 20mpg to 45mpg to 30mpg to 80mpg, etc. AutoZone scan came back with P0171 & P0496. Took it to my usual GM dealer, they want $100 to ...Trouble code P0171 and P0496 (Rough idle/engine cough) Tags code cough idle or engine p0171 p0496 rough trouble. ... Hello, everyone, just had a CEL come on my 2012 Chevy Cruze 1.4L Turbo. Used a code reader and it said P0171 and P0496 which I guess reads to lean and and issue with the EVAP system. After reading some posts on similar issues ...Nothing changed in 30 years. P0171, according to the manual, is a "Fuel System Lean" diagnostic trouble code. In other words, the engine computer, through the O2 sensor and MAF sensor (mass air flow) adjust your fuel mixture just like a carburetor used to in the "olden days". Causes:HOW TO FIX CODE P0496 CHEVY, GM 1.4L TURBO 2011-2016 CHEVROLET CRUZE CANISTER PURGE VALVE FIXED!Hey guys in this video we show you how easy it is to replace ...P0116 indicates that your Chevy Trax's engine coolant temperature sensor is sending a signal to the PCM (powertrain control module) that is outside of its normal operating range (in terms of voltage). While P0116 is a generic OBD2 code (it has the same definition for any car or truck), it has the same basic causes and diagnostic order for the ...

What Does Code P0106 Mean? P0106 definition: Manifold Air Pressure (MAP) Barometric Pressure Sensor Electric Circuit Output Range and Performance Problem Issue Severity: SEVERE - Stop driving immediately Repair Urgency: Fix this code immediately (same day if possible) to avoid damage to your emission system and internal engine damage. Diagnosis: When Code P0106 is triggered, it is important ...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.Diagnosing P0420 and P0171. Hey everyone! My very first post! Greetings all. I'll just jump right in, I just bought a 2014 Equinox LT AWD about 6 months ago. My check engine light came on so I decided to get a OBD II device and check what could be wrong. It threw the P0171 (Lean Engine) and P0420 (Catalyst efficiency below threshold) codes both ...March 03, 2023. P0299 in a Chevy Trax is a code that is triggered when the car's Engine Control Module (ECM) detects an underboost condition in the car's turbocharger. This means that there's a problem in the car preventing the turbocharger from reaching its target boost level. This could be the result of a minor problem, or it could be a more ...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 …2013 Chevy Trax Lean Condition [P0171 Code] - YouTube. Asian Mechanic Guy. 14.1K subscribers. Subscribed. 53. 5.2K views 2 years ago. In this video i will be showing you how to diagnose...Chevrolet Trax 2015 inestabilidad en motor, código de falla P0171 comsumo de combustible, ... Chevrolet Trax 2015 inestabilidad en motor, código de falla P0171 comsumo de combustible, la válvula de purga se queda abierta todo el tiempo. Video. Home. Live. Reels. Shows. Explore. More. Home ...Oct 2, 2023 · The P0171 engine code is a code that produces a Check Engine Light on your dashboard. It's your vehicle's Power Control Module (PCM) notifying you that your engine is running too lean in bank 1. When it comes to engines, bank 1 is usually the one that has the front-most cylinder.

The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the actual measured air flow from the MAF, MAP, and throttle position sensors is not within range of the calculated air flow that is derived from the system of models for greater than 2 s. P0101 Chevrolet Code - Mass Air Flow Sensor Performance

The most common repairs needed to fix the P0171 engine code are as follows: Replacing the fuel pump. Replacing the fuel filter. Replacing the fuel pressure regulator. Replacing the powertrain control module. Replacing one or more injectors. Replacing one or more oxygen sensors. Replacing the mass air flow sensor. Repairing a vacuum leak.Chevy Trax P0011: What it Means + How to Fix. October 13, 2022 by Jason. P0011 is a common (and serious) OBD II diagnostic trouble code that can occur in the Chevy Trax. It indicates an issue with your vehicle’s Variable Valve Timing (VVT) system. The first thing you should do when you have this code is check your Trax’s oil.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, …Labor: 1.0. To diagnose the P0480 Chevrolet 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.Q: What causes the P0171 code to appear in Chevy Trax? A: Several factors can contribute to the appearance of the P0171 code in Chevy Trax, including a vacuum leak in the intake system, a faulty oxygen sensor, a malfunctioning mass air flow sensor, or a clogged fuel injector.These codes just started this week: P1101: MAF Out of Self Test Range and P0171: System Too Lean Bank 1. It is running rough at idle, seems to misfire every few seconds, and has reduced power when accelerating. ... Chevy Cruze P1101 and P0171 Trouble Codes | Drivetrain Resource The codes are thrown after it warms up for about 10 minutes. It ...2014 chevy cruze p0171 code fix pcv Chevy cruze check engine light code p0171 2013 chevy cruze p0171 code bad pcv 2011 chevrolet cruze 1.4l p0171 Chevy trax / cruze / buick encore valve cover replacementCruze chevy p0171 limited chevrolet p1101 kia forte codes trouble sedan code vs lean fuel trim bank system Chevy cruze check engine light code ...Hey there this is my first YouTube upload so please don't be too mad at me for any mistakes, I can improve and will in the future. I am just trying to help p...Oct 2, 2023 · The P0171 engine code is a code that produces a Check Engine Light on your dashboard. It's your vehicle's Power Control Module (PCM) notifying you that your engine is running too lean in bank 1. When it comes to engines, bank 1 is usually the one that has the front-most cylinder.First drive: 2011 chevrolet cruze Cruze chevrolet p1101 chevy lt sedan ltz ls cars turbo impala codes manual p0171 vs trouble car code limited front Encore buick pcv valve intake manifold trax p1101 p0171 cruze 4t gm sonic. CODE P0101 Replace or Clean Mass Airflow Sensor Chevy Silverado Check Khám phá hơn 91 chevrolet cruze 2016 siêu hot

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Jconley. 3 posts · Joined 2021. #17 · Jun 5, 2021. Hello, I'm having issues with my P0299 code on my 2015 Buick Encore (I know it's not Chevy Trax but the people posting seem to have knowledge on what's going on). I first got the code and pulled the turbo and there was a crack on the inside of the turbo, obviously bad.What the P0171 code means. As explained by Kelley Blue Book, a P0171 engine code indicates an imbalance in the air-to-fuel ratio of the vehicle's engine. Specifically that there's too much air and ...The P0171 code in a Chevy indicates that the engine is running too lean, which can lead to various issues if left unchecked. If you're experiencing this issue, we recommend taking your vehicle to a qualified mechanic to have it properly diagnosed and repaired. Goodhood offers mobile, on-site mechanics specializing in diagnosing and …I’m trying to figure or diagnose a rough idle on a 2017 Chevrolet trax 1.4. Have codes P0171B and P1101 - Answered by a verified Auto Mechanic ... This 2012 Chevy Cruze seems to run OK but I'm getting these codes. P0106, P0171, P1101, P015B, P0502. It has a 1.4 L motor with turbo and manual transmission.Chevy Trax General Discussion 2018 Trax P01710-00 / U0401-71. Jump to Latest ... Update on my 2018 Trax with similar codes. I have replaced the MAF, the camshaft cover and the oxygen sensor. That hasn't fixed the issue. my check engine still goes off, but Intermittent. For some days the light is off, and then on, but I have 2 updates, that I ...12 May 2023 ... Comments ; Scotty Kilmer was RIGHT! (Cruze Turbo Rough Idle P0106 P0171). Pine Hollow Auto Diagnostics · 356K views ; Chevy Trax 1.4L P0300, P0171, ...Checking for trouble codes can make the. If your Chevy Trax is jerking when you press the accelerator, a few common issues can cause this. This guide is built to help you get a better idea as to why your vehicle is jerking. ... P0171 or P0174: You may hear the injector ticking when backing off the gas. Chevy Trax: Jerks When Accelerating Causes.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. Chevrolet Trax 2016 52000 miles. Check engine light Loses power Code P0171. Check engine light is on and now the traction light is on. Car runs rough when stopped and it loses power when accelerating form a stop and going up hills. Code reads P0171 fuel trim system lean DTC severity 2-3.Here we have a 2019 Chevy Trax with an evap high purge flow code store and check engine light on. I use a very simple test to determine the Evap Purge valve ... ….

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 ...GM has issued service bulletin #PIP5549 to address trouble codes P0171, P0174 on GM vehicles listed below. ricksfreeautorepairadvice.com ... DeeZee Bed Mat, (-) Airdam, Tow Hooks, Towing Starcraft AR One 18QB TT, 1955 Chevrolet Bel Air 283 V8 3 Spd. Manual, 2002 Pontiac Trans Am 5.7L V8 6 Spd. Manual, Ported TB, underdrive pulleys, LT headers ...Chevrolet Trax: DTC P0171 OR P0172. Chevrolet Trax (2013-2022) Workshop Manual / Engine / Engine Controls and Fuel - 1.4L / Engine ... Type Definitions (LUV) , Powertrain Diagnostic Trouble Code (DTC) Type Definitions (2H0) Scan Tool Reference. Control Module References for scan tool information. Circuit/System Verification. Ignition ON. …P0300 is a generic OBDII code that can occur with the Chevy Trax. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire ...This video will show you very common pcv vacuum leak on a 08-16 chevy Cruze 1.4L. Replacement of valve cover step by step. DTC P0171GM Part number 25198877h...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 …A problem with the ECU itself. An aftermarket part that is not compatible with the ECU. To fix this error, you will need to: Check all of the connections between the ECU and the vehicle's computer. Make sure that they are snug and free of any corrosion. If possible, try swapping out the ECU with a known good one.The P1101 code typically will not be enough to make the engine not run. A bad mass air flow sensor is enough to make the engine: Idle poorly; Consume more fuel; Lose power; If left unchecked, a bad MAF sensor can lead to other engine problems. Read more at Chevy Cruze P1101 and P0171 Trouble Codes | Drivetrain ResourceAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... P0171 code chevy trax, 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 service advisor will use a code scanner to diagnose the problem, giving you a code number to investigate. Trouble codes for the 2018 Chevy Trax include P0300, P0171, P0420, and P0500. You can also learn about these codes online. Another common problem with the 2018 Chevrolet Trax is a weld failure on the front lower-control arms., Chevrolet Trax 2013 2015 Involved Region or Country North America, Argentina, Brazil, Colombia, Ecuador, Paraguay, Uruguay ... codes in the "SPS Warranty Claim Code"field of the transaction, otherwise the transaction will reject. It is best practice to enter the FINAL code provided by SPS., P0420 catalyst system efficiency below threshold (bank 1)2017 chevy cruze check engine light codes 2017 chevy trax, p0236 p0299 turbo charger boost sensor.Dtc p0171 code 2017 chevy trax --- diagnostics, causes, tests and fix. Check Details. P0420 chevy equinox meaning, causes, symptoms (& how to fix), P0106 Definition: MAP Sensor - Range/Performance P0106 is a generic OBD2 code, which means that it has the same definition for the Chevy Trax as it would any other vehicle. Here's the definition of P0106, provided with the understanding it can help make diagnosing it a little bit easier. MAP Sensor The MAP (Manifold Absolute, Dec 23, 2018 · This page is meant to help you troubleshoot the Chevy Trax P0420 trouble code. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table, Chevrolet Trax 2016 52000 miles. Check engine light Loses power Code P0171. Check engine light is on and now the traction light is on. Car runs rough when stopped and it loses power when accelerating form a stop and going up hills. Code reads P0171 fuel trim system lean DTC severity 2-3., If this video was helpful, consider donating :) Paypal - https://paypal.me/chadwilliams89Cash App - https://cash.app/$chadwilliamsfixesallVenmo - https://www..., 5 Apr 2019 ... 2014 Chevrolet Cruze with a 1.8L engine has a P0171 and a P0300, both of these codes caused by the same component., It receives data from various sensors and uses it to control the fuel delivery system, ignition timing, and other engine functions. If the PCM detects an issue with the fuel system or air/fuel mixture, it may set a P0171 code. The PCM will also store the trouble code and freeze frame data, which can be used to help diagnose the issue., They replaced the valve cover, camshaft cover and the intake manifold. Also the found a missing pcv hose and replaced it. The codes that they found were p0171,p1101, and p0108. All of this was replaced under the power-train warranty. I was told this is a common problem and they have updated what they replaced so it shouldn't happen again hopefully., 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 OBD-II fault code P0176 mean? OBD-II Code P0176 is defined as a Fuel Composition Sensor Circuit. vehicle's that are capable of running off of varying levels of ethanol (Flex Fuel, E85), will have a Fuel Composition Sensor in the fuel system so that the engine control module (PCM) can determine the fuel composition and adjust the fuel ..., 19996 posts · Joined 2011. #3 · Nov 20, 2012. DTC P0171. Circuit Description. The powertrain control module (PCM) controls the air/fuel metering system in order to provide the best possible combination of driveability, fuel economy, and emission control. Fuel delivery is controlled differently during Open Loop and Closed Loop., I am only showing a 1.4L turbo available for the 2014 Buick Encore. For this engine a P0171 is often caused by the PCV diaphragm that is part of the top of the valve cover being ruptured. Often the valve in the hose takes out the check valve in the intake that then takes out the diaphragm in the valve cover., 2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues The following is all from: Chevy Cruze P1101 and P0171 Trouble Codes | Drivetrain Resource P1101: MAF Out of Self Test Range P1101 is one of the most common of the Chevy Cruze trouble codes. Whenever you start the vehicle, the mass airflow sensor does a self diagnostic., Symptoms: P0171 + P0174 Chevy Sonic. 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 ..., Engine Code P0171. Ok I have a 2015 Chevy Trax with 82,000 on it. For the last 2 weeks I keep getting this code and cant find the source of it. It can not be the MAF, Dirty Air filter, Upstream and Downstream o2 sensors, or even the spark plugs and coil pack. They have all been replaced. I also had a crack in the exhaust system that was repaired., 2017 Chevy Trax. P1101. Actual measured airflow from EGR,TP and so on doesn't match. I have replaced the Air Flow Meter - Answered by a verified Chevy Mechanic. ... 2014 Chevy Cruze 1.4. Codes p0106, p0171, p0496, p0507, p1101, u0100, b0158, b1325, b010e, u0164, u0073. Customer vehicle have already replaced the intake …, P0299 is low boost, make sure your clamps are tight at throttle body and intercooler. This can happen at higher altitude if your pressured intake is leaking. Never drive faster than your guardian angel can fly!!! Drives 2022 Red Tesla Model Y. Drives 2016 Sunset Orange Trax LT1 1.4L Turbo auto 3GNCJPSB8GL142716., Engine Code P0171. Ok I have a 2015 Chevy Trax with 82,000 on it. For the last 2 weeks I keep getting this code and cant find the source of it. It can not be the MAF, Dirty Air filter, Upstream and Downstream o2 sensors, or even the spark plugs and coil pack. They have all been replaced. I also had a crack in the exhaust system that …, Chevrolet Trax 2016 52000 miles. Check engine light Loses power Code P0171. Check engine light is on and now the traction light is on. Car runs rough when stopped and it loses power when accelerating form a stop and going up hills. Code reads P0171 fuel trim system lean DTC severity 2-3., P1101 Intake air flow system performance. P0171 (again) P0106 (again) P1101 (again) P0171 (3rd time) P1101 (3rd time) P015B 02 Sensor delayed response - lean to rich bank 1 sensor 1. P0420 Catalyst system low efficiency (bank 1) The suggested part from the paper is the Mass Air Flow Sensor., This is a 2015 Chevrolet Trax with 1.4 Turbo engine. P0171 and P1101 sorry on video I said P1107 that was wrong. I put the smoke tester and the breather on t..., Q: Codes P0420 and P0171 appearing. I took my car to the dealership to have it checked out. Two codes were found: PO420 and PO171. They told me that the P0420 is a problem with the actuator (part number 17230-21010), and the 2nd one has to do with the Mass Air Flow (22204-21010). Both of these makes my check engine light continually appear and ..., P0299 code Chevy Trax. When accelerating to mph in the 60-70 when accelerating to mph in the 60-70 range my rpm meter is at 6-7 like it doesnt want to go. check engine light kicks off and on frequently., Greetings viewers! In this video I highlight a 2017 Chevy Trax Premier 1.4L equipped AWD vehicle which arrived with the customer complaint of hard starting a..., Summary. DTC P2097 stands for “Post Catalyst Fuel Trim System Too Rich Bank 1”. This code is triggered when the downstream bank 1 oxygen sensor registers a rich condition. The most common symptoms of a P2097 include a lit check engine light, poor engine performance, and a reduced fuel economy. Contentshide., Labor: 1.0. To diagnose the P0796 Chevrolet 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., 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 ..., Aug 21, 2022 · To diagnose the P0171 Chevrolet 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., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., 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.