P0171 chevrolet cruze

P015B, P1101, P0496, P0171 codes on a 2012 chevy cruze 1.4 turbo. The car at the moment will not accelerate well but is - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website.

Fuel Injectors. P0171 indicates that your Chevy Cruze 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. See moreDec 26, 2022 · Chevrolet Cruze P0011 definition: Intake Camshaft Timing – Over-Advanced Bank 1. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts the drivability of your vehicle. A standard car is approximately 180 inches long. Standard vehicles may be considered compact, such as the Chevrolet Cruze, or mid-sized in design. Larger-sized vehicles comfortably seat five passengers or more and feature larger trunks.Dec 26, 2012 · titan2782 Discussion starter. 2006 posts · Joined 2011. #1 · Dec 26, 2012. I pulled codes the other night and this code was stored. P069E - Fuel Pump Control Module Requested MIL Illumination. View attachment 9810. The P0171 I get a lot too when I start the car when it's super cold and I don't let the fuel system pressurize all the way. Scotty Kilmer may have been right about the Chevy Cruze...This 2012 Chevy Cruze 1.4L Turbo from the auction is having major issues at idle.P0106 and P0171 co...CHEVROLET CRUZE AIR FILTER REPLACEMENT. CHEVY CRUZEIn this video we will show you how to remove and replace air filter on Chevrolet Cruze also known ans Hol...

Also Check: P00b7 Chevy Cruze. P0171 Code Chevy Trax. If your Chevy Trax is giving you a P0171 code, it means that the engine is running lean. This can be caused by a number of different things, but the most common culprit is a dirty or damaged mass air flow sensor. Other possible causes include a vacuum leak, faulty fuel injectors, or a ...Service bulletin #15-NA-084: Addresses a rough engine, poor acceleration, smell of exhaust in the cabin and any of the following trouble codes. P0101, P0299, P2002, P2263 OR P2463 on 2014-2015 Chevrolet Cruze vehicles with the 2.0L diesel engine. GM has determined that the charge air cooler duct can become disconnected from the throttle body.A friend of mine has a 2013 Chevy Cruze (1.4L) with the following codes: P0171: System Too Lean (Bank 1) P015B: O2 sensor Delayed Response - Lean to Rich Bank 1 Sensor 1. P1101: Intake Air Flow System Performance. P2270: O2 Sensor Signal Stuck Lean - Bank 1\, Sensor 2. I need to ask him what symptoms he is experiencing (I …In this video I show how to diagnose and repair a Chevy Cruze with a 1.4 L eco-tec engine With code P0171 P1101 and P0106. This video applies to most GM Vehi...P0171 Chevy Cruze, Causes #1: Faulty Mass Airflow Sensor The mass airflow sensor’s function is self-explanatory: it measures the amount of air entering the engine. This sensor may occasionally become dirty or stop functioning altogether, necessitating replacement; however, a simple cleaning will occasionally restore the MAF’s functionality.Sep 12, 2017 · This particular Cruze is a 2012 1.4 Turbo but this procedure is very similar to allot of Chevy ans other years Cruze's.Recently I had been felling the car ru...

Chevrolet Cruze 2016 2019 1.4L (RPO LE2) Equinox 2018 2020 1.5L (RPO LYX) Malibu 2016 2020 1.5L (RPO LFV) Trax 2019 2019 1.4L (RPO LE2) Volt 2016 2019 1.5L (RPO L3A) GMC Terrain 2018 2020 1.5L (RPO LYX) Involved Region or Country North America, China, Thailand, GM Korea, Middle East, Israel, Europe, Brazil, Chile, Colombia, Peru, South …The list of cars on the flat vehicle towing list is long and varied, including the Chevrolet Cruze and Malibu, the Dodge Dart and Durango, and the Ford Fiesta and Taurus. The list also includes many SUVs, such as the Jeep Cherokee, the Ford...P0171 Reoccurring. Hi, I have a 2011 chevy cruze LT with the 1.4 turbo engine. Currently getting a p0171 code for a too lean condition. Here are the parts i have already replaced. Dorman valve cover, ZZP ported intake, PCV line to the turbo intake housing, 02 sensors are new, i have a MAF ordered and available for pickup tomorrow …Dec 12, 2018 · 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 ...

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I have the following codes on my Chevy Cruze. Codes P0507, P1101, P0171, P0106, P015b. I also have a recall on the vehicle and was wondering if the issue with the recall could be causing the codes. Also if the issue with the codes are covered under the powertrain warranty. Any info on the codes or insights to the issue is greatly appreciated.FIX CODE P0171 CHEVROLET CRUZE CHEVY SONIC SYSTEM TOO LEANIf you have engine light on and code such as P0171 we will explain what could cause you to have thi...P0171 code on Chevy Cruze 2012 1.4L LT. Jump to Latest Follow ... CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. Full Forum Listing. Explore Our Forums. General Discussion Gen1 1.4L Turbo Gen1 Service Issues 👋 CruzeTalk New Member Introductions …JLL. 6500 posts · Joined 2017. #3 · Oct 30, 2020. P0171 is set when the fuel trims get to be too large. Basically it means that the fuel/air mixture is too lean, or the computer thinks it is. If cleaning the MAF doesn't work, look for boost/vacuum leaks. I'm dealing with the same kind of issue myself.Dec 26, 2022 · Chevrolet Cruze P0011 definition: Intake Camshaft Timing – Over-Advanced Bank 1. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts the drivability of your vehicle. 2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues Potential causes for this code, P0106, to set are: Defective O2 sensor(s) Burnt, broken, or disconnected wiring and/or connectors Defective catalytic converter Engine exhaust leaks Read more at: P015B O2 Sensor Delayed Response - Lean to Rich (Bank 1 Sensor 1) A code P0171 may mean that one or more of the following has happened: The ...

What Does Chevrolet Cruze Code P0014 Mean? Chevrolet Cruze P0014 definition: Exhaust Camshaft Timing- Over-Advanced Bank 1. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts ...I have the following codes on my Chevy Cruze. Codes P0507, P1101, P0171, P0106, P015b. I also have a recall on the vehicle and was wondering if the issue with the recall could be causing the codes. Also if the issue with the codes are covered under the powertrain warranty. Any info on the codes or insights to the issue is greatly appreciated.Apr 4, 2022 · Lou Palomino. associates in automotive te... 12,103 satisfied customers. 2014 cruze 1.4l turbo throwing codes: p0106, p0171, p1101, 2014 cruze 1.4l turbo throwing codes : p0106, p0171, p1101, p2270. there is a hissing coming from the top right of the valve cover (as it sits in the … read more. 2011 chevy cruze lt 1.4 Turbo intermittent 0 voltage on both upstream and downstream sensors. codes P0131, P0171, P0420. Just changed the valve cover due to a faulty diaphragm that was leaking on top right to the back. then the check light came on for the P0420 code yesterday. then the other 2 came on this morning after i removed the …Faulty fuel injector. Vacuum leak. Low fuel pressure. Camshaft and/or crankshaft sensor defective. Engine timing off. Leaking head gasket. Low engine compression. Poor quality fuel that is old or contaminated. P0300 is not one of the top 5 trouble codes for the Chevrolet Cruze but, it is still a common one.The P1101 Chevy Cruze code is stored when the PCM detects a problem with the Intake Air Flow System’s performance. The problem is registered if the Intake Air Flow System’s performance is lower or greater than the one set by the manufacturer. When you see this code, the issue lies within the realm of the Intake Air Flow System.Sep 12, 2017 · This particular Cruze is a 2012 1.4 Turbo but this procedure is very similar to allot of Chevy ans other years Cruze's.Recently I had been felling the car ru... Jan 10, 2019 · My Cruze is throwing the codes P0299 and P0171. It doesnt have the acceleration that it used to. The CEL always comes on when im idling for a long time. I know the P0299 under boost code could be anything from a bad turbo to a boost leak. I'm just not sure where to start to diagnose the...

The P0171 started to come back on within a couple of weeks of the new manifold going on, so if it failed again, it failed pretty quick. ... news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. Full Forum Listing. Explore Our Forums. General Discussion Gen1 1.4L Turbo Gen1 Service Issues 👋 ...

24 Şub 2017 ... Yes, underboost will cause lean running conditions as the ECM cuts fuel to the engine. For the chevy cruze, the most common cause is a crack ...Dec 29, 2022 · Chevrolet Cruze P0101 definition: Mass Air Flow (MAF) Circuit/Performance Malfunction. Issue Severity: MODERATE – Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible to avoid internal engine failure. Diagnosis: Code P0101 does not pose any danger to the driver and will not ... Code P0171 Chevrolet Tech Notes. The P0171 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0171 is set in along with the P0174 code, it is highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean ... A code P0171 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the ...Chevrolet Cruze 2011 2016 Sonic 2012 2019 Trax 2013 2019 Volt 2012 2015 Involved Region or Country North America Condition Some customers may comment that the MIL is illuminated. Some technicians may find DTC P0171 (Fuel Trim System Lean) or other airflow related codes set in the Engine Control Module (ECM). Cause For the American Chevy Cruze it seems that the P0171 and P0420 seem to have been factory installed on these things. I have been chasing the P0171 on my …How to fix 2013 chev Cruze codes P0171 and P1101. Chevrolet Cruze Cars & Trucks; Open Questions: 0 answers. after repairs to engine coolant systems- new fan, new thermostat housing and new water pump still have no coolant flow and no heat on 2011 chevy cruze with 1.8 liter engine. starts and runs great except no coolant flow and …P0171 definition: Bank 1 has too much air or not enough fuel. Issue Severity: MODERATE– Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible to avoid damage to spark plugs, pistons, and catalytic converters. Diagnosis: It is important to complete the entire diagnostic ...

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FIX CODE P0420 ON CHEVROLET CRUZE, CHEVY SONIC Catalyst System Efficiency Below ThresholdIf you have engine light on and code such as P0420 we will explain ...FIX CODE P0171 CHEVROLET CRUZE CHEVY SONIC SYSTE…El código P0171 indica que el sistema de combustible en una parte del motor está bajo o que hay una fuga de vacío cerca de ese lado del motor. Esto sucede cuando el motor recibe muy poca gasolina o demasiado aire. Ahora repasemos un poco la historia del Chevy Cruze. A continuación, entraremos en más detalles sobre el código P0171.Hello All, I got in the car this morning and my CEL came on. I ran my code reader on it and got p0106 p0171 p1101 p0131 b2aaa. It idles very rough and is slow to take off. It stutters a bit until second gear. i have 52k miles on it. the only thing i have done is put a K&N air filter on it. That was last year.P0171 definition: Bank 1 has too much air or not enough fuel - This will typically trigger your Check Engine Light Issue Severity: MODERATE- Extended driving with this problem code can cause internal engine damage. Repair Urgency: Get this trouble code fixed as soon as possible to avoid damage to spark plugs, pistons, and catalytic converters.Nearby Chevrolet Locations. Witham Auto Centers - La Porte City. 800 US-218. La Porte City, IA 50651 ( 33 Reviews ) Woodhouse Chevy Buick. 1951 West Hwy 30. Missouri Valley, Iowa 51555 ( 640 Reviews ) Decorah Chevrolet Cadillac. 1815 State Hwy 9 E. Decorah, Iowa 52101 ( 284 Reviews ) Vannoy Chevrolet Inc.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 ...My Cruze is throwing the codes P0299 and P0171. It doesnt have the acceleration that it used to. The CEL always comes on when im idling for a long time. I know the P0299 under boost code could be anything from a bad turbo to a boost leak. I'm just not sure where to start to diagnose the... ….

When you notice P0496 on your scanner, it simply means that your vehicle’s computer believes the EVAP system is purging gasoline vapor when it shouldn’t. Keynote Prior to OBD2, systems cleansed the canister only when the engine was above idle and heated. OBD2 systems have the ability to purge the canister at any moment the engine is ... thank you for watching!!!!!If this video was helpful to you and if you would like to place a donation, here is my Venmo and PayPal information. Or I would re...2013 chevy cruze p0171 code bad pcvThis code can be caused by many other bad parts, in our case it was a bad pcv. 2013 chevy cruze p0171 code bad pcvThis code can be caused by many other bad parts ...The oxygen sensor is usually located connected to the catalytic converter. To get better guidance, you can refer to of Eagles owner’s manual. Once locating the oxygen sensor, remove it carefully and install a new better sensor. Usually, replacing the oxygen sensor is the 2nd common method to fix the P0171 code.Chevrolet car models come in all shapes and price ranges. See pictures and learn about the specs, features and history of Chevrolet car models. Advertisement Chevrolet has been a consistent popular car brand over the last few decades. Learn...While changing out the valve cover on my 2011 chevy cruze I found a major oil leak. This is probably the main reason for the codes p1101 and p0171. After fix...I am getting P0131, P0137, and P0171 codes on my 2015 Chevrolet Cruze. ... CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. Full Forum Listing. Explore Our Forums. General Discussion Gen1 1.4L Turbo Gen1 Service Issues 👋 CruzeTalk New Member Introductions …Thank you for holding Cody, The lean codes P0131, p0171, and P1101 are very common codes to set on your 2015 Chevy Cruze with the 1.4 engine and in most cases these codes set due to a defective (PCV) orifice which is an integral part of the camshaft cover and not service separately without having to replace the camshaft cover (valve …Chevrolet Cruze 2011 2016 Sonic 2012 2019 Trax 2013 2019 Volt 2012 2015 Involved Region or Country North America Condition Some customers may comment that the MIL is illuminated. Some technicians may find DTC P0171 (Fuel Trim System Lean) or other airflow related codes set in the Engine Control Module (ECM). Cause Jul 9, 2018 · Where is the P0171 sensor located? There are far too many examples of vacuum leaks on Chevrolet engines to list here, but one engine in particular, the 1.4L gasoline engine fitted to Chevrolet Cruze and related applications deserves a special mention. The valve cover from such an engine is shown below- P0171 chevrolet cruze, not our usual import customer today but thats ok! This video is to show you how we diagnosed and repaired the p0171, p1101 DTC and low power complaint on thi..., N. N8ECH Discussion starter. 42 posts · Joined 2019. #1 · Aug 1, 2021. My daughter's '12 Cruze 1.8L has developed a P0171 code over the last several months, and begun to use some oil. The odo just crossed 90k, and I do oil changes every 6 months with M1, and the oem GM filter. There are also signs of some oil seepage in/around the valve cover., A friend of mine has a 2013 Chevy Cruze (1.4L) with the following codes: P0171: System Too Lean (Bank 1) P015B: O2 sensor Delayed Response - Lean to Rich Bank 1 Sensor 1. P1101: Intake Air Flow System Performance. P2270: O2 Sensor Signal Stuck Lean - Bank 1\, Sensor 2. I need to ask him what symptoms he is experiencing (I think maybe some rough ..., The Chevrolet Nova was one of the most successful compact cars of all time. Learn about every Chevy Nova model, plus pictures, prices, and more. Advertisement The Chevrolet Nova was an economy car that, in 1962 convertible form, had style. ..., Symptoms: P0171 + P0174 Chevy Cruze. 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. Here are the typical symptoms that something is wrong when your Cruze has codes P0174 and P0171., Posted in OBD Codes 26/12/2022 P0171 Chevy Cruze – Fuel System Too Lean (Bank 1) Meaning Your engine needs the proper mixture of fuel and air to operate effectively., Dec 26, 2012 · titan2782 Discussion starter. 2006 posts · Joined 2011. #1 · Dec 26, 2012. I pulled codes the other night and this code was stored. P069E - Fuel Pump Control Module Requested MIL Illumination. View attachment 9810. The P0171 I get a lot too when I start the car when it's super cold and I don't let the fuel system pressurize all the way. , FIX CODE P0171 CHEVROLET CRUZE CHEVY SONIC SYSTEM TOO LEANIf you have engine light on and code such as P0171 we will explain what could cause you to have thi..., El código P0171 indica que el sistema de combustible en una parte del motor está bajo o que hay una fuga de vacío cerca de ese lado del motor. Esto sucede cuando el motor recibe muy poca gasolina o demasiado aire. Ahora repasemos un poco la historia del Chevy Cruze. A continuación, entraremos en más detalles sobre el código P0171., MattJensen said: P1101 is referring to intake air flow system performance, likely reduced performance. P0171 is referring to lean fuel trim, and P0507 is referring to high idle speed. Sent from my iPhone using Tapatalk. I found the problem already popped the hood and heard the hissing and the pcv valve is sucking air so now is the question im ..., March 1, 2020 by Jason. P2096 is a generic OBD II code, which means that it has the same meaning for the Chevy Cruze as it would any other vehicle. It specifically indicates that your Cruze detected that it is running too lean (too much air for the amount of fuel present). Bank 1 is the side of the engine with the first spark plug in the firing ..., Chevy Cruze P0171 Engine Code is a Lean Bank 1, Caused by bad PVC valve in the valve Cover,This usually causes Idle IssuesThe valve cover is covered under yo..., 172K views 5 years ago. This particular Cruze is a 2012 1.4 Turbo but this procedure is very similar to allot of Chevy ans other years Cruze's.Recently I had been …, 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..., CHEVROLET CRUZE AIR FILTER REPLACEMENT. CHEVY CRUZEIn this video we will show you how to remove and replace air filter on Chevrolet Cruze also known ans Hol..., Feb 20, 2018 · 2015 Chevy cruze LT 1.4 code P0171. The car had a bad PCV valve so i have replaced the cover as well as the PCV hose and still have this code. Ive checked all the hoses and no leaks. The O2 sensor is functioning properly and the MAF sensor has also been replaced and the puel pressure reads 40-50 on the obd2 scanner. Im at a loss here. , 2014 Chevrolet Cruze with a 1.8L engine has a P0171 and a P0300, both of these codes caused by the same component. In this video i'm going to show you how to …, 2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues Potential causes for this code, P0106, to set are: Defective O2 sensor(s) Burnt, broken, or disconnected wiring and/or connectors Defective catalytic converter Engine exhaust leaks Read more at: P015B O2 Sensor Delayed Response - Lean to Rich (Bank 1 Sensor 1) A code P0171 may mean that one or more of the following has happened: The ..., 2011-2014 Chevrolet Cruze 2012-2014 Chevrolet Sonic 2014 Chevrolet TRAX To: All General Motors Dealers General Motors is releasing Special Coverage N202299080 today. The total ... A vehicle may come in with DTC P0171 – Fuel Trim System Lean, or other airflow-related DTCs. Following the, I am getting P0131, P0137, and P0171 codes on my 2015 Chevrolet Cruze. ... CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. Full Forum Listing. Explore Our Forums. General Discussion Gen1 1.4L Turbo Gen1 Service Issues 👋 CruzeTalk New Member Introductions …, 5 posts · Joined 2022. #1 · Feb 17, 2022. Hello! My name is Bobby from Las Vegas and I own (only owner) of a 2013 Chevrolet Cruze LT. The two codes P0171 and P1101 prompted me to change the valve cover, the intake manifold, fuel injectors, MAF, MAP, O2 upstream sensor, purge valve (canister), air filter, and new battery., CODE P0171 EXPLAINED ON CHEVY, CHEVROLET, GMC, BUICK, CADILLAC ENGINE LIGHT ON Great Car Scanner: https://amzn.to/2QmNBri Check out our Amazon Store for t..., Dec 27, 2022 · What Does Chevrolet Cruze Code P0014 Mean? Chevrolet Cruze P0014 definition: Exhaust Camshaft Timing- Over-Advanced Bank 1. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts ... , Dec 26, 2022 · Chevrolet Cruze P0011 definition: Intake Camshaft Timing – Over-Advanced Bank 1. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts the drivability of your vehicle. , Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. P0171 code definition System Too Lean (Bank 1) What the P0171 code means The P0171 OBD-II code means that, on the first bank of the engine, the fuel system is running weak or a vacuum leak exists near this side of the …, For a 2014 Chevrolet Cruze 1.4l Turbo. Recently we took it to a shop for the code P2261, turbocharger bypass valve. The shop said that they compressed air into the air intake and it would not hold. So, they said the turbo would not kick in if the intake isn’t building pressure. Smoke test through the intake assembly: smoke only came out of ..., Apr 4, 2019 · 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 (everyone here seems to be a great resource and wealth of knowledge). I think the issue is either the PCV valve or the Purge Valve Solinoid. However I was unable to determine in the PCV valve ... , help with p0171. i have a 2012 chevy cruze eco, 70K miles. i have replaced the O2 sensors, the MAP sensor, and now the car is still throwing the p0171 code. It all started with the O2 sensors codes then the map sensor was throwing a code. everything i have read points to the pcv valve in the valve cover and replacement of the valve cover., This particular Cruze is a 2012 1.4 Turbo but this procedure is very similar to allot of Chevy ans other years Cruze's.Recently I had been felling the car ru..., May 27, 2016 · I have the following codes on my Chevy Cruze. Codes P0507, P1101, P0171, P0106, P015b. I also have a recall on the vehicle and was wondering if the issue with the recall could be causing the codes. Also if the issue with the codes are covered under the powertrain warranty. Any info on the codes or insights to the issue is greatly appreciated. , P0300 is a generic OBDII code that can occur with the Chevy Cruze. This code indicates that your car’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, the ..., One of the most common trouble codes with the Chevy Cruze is P0171. 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..., Faulty vent solenoid. Read more at: P0496 EVAP Flow During A Non-Purge Condition. A code P0171 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is dirty or faulty Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled.