Chevy cruze p0171 code

2013 Chevy Cruze - Runs and idles very rough. Throwing codes P0171, P0299, P0300, and P015B. We've fixed the check valves in the PCV system which were bad, but still have the problem. Also replaced the upper oxygen sensor, but didn't change anything.

Pending P0171 & a couple stalls. Have a 2014 with 1.4 in it. Daughter's car. Twice now it has died on her. Thankfully while not on the road. First time was 5 days ago. Pulled in the driveway here at home and came to a stop, put it in park and before being able to turn it off, it died.What Does Code P0156 Mean? P0156 definition: Oxygen Sensor Circuit Malfunction (Bank 2, Sensor 2); Issue Severity: MODERATE- Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible. Diagnosis: It is important to complete the entire diagnostic process when diagnosing the P0156 code.This DTC can be triggered by an exhaust leak ...I Made an Updated Video on a Cruze P1101 Code with Better Audio and Information. Here is a Link : https://www.youtube.com/watch?v=k5gXKOMqAVIQuick overview o...Welcome Aboard!:welcome: P0171 System too lean bank 1 -. 1st - Make sure the oil cap and dipstick are seated properly. 2nd - read this: [h=1] 2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues [/h] Don't forget to introduce yourself and your Cruze here.1st Generation Chevrolet Cruze. Gen1 Powertrain. Gen1 1.4L Turbo. P0171. Jump to Latest Follow 1K views 2 ... I fought with a P0171 code than came and went. Finally found a crack in the air tube between the air cleaner and the throttle body.In this video we discuss common causes and repair for code P0171. the subject vehicle is a 2006 Chevy Equinox equipped with the 3.4L engine. Also shown, a 20...

P0234. 2013 Sonic LTZ with the 1.4L Turbo. Check engine light came on with the P0234, no other pending codes. I am led to believe that my two options are to replace the turbo assembly or replace the MAP sensor. MAP sensor could be at fault because it could be intermittently sending an overboost signal. More than likely the wastegate isn't ...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). CauseWhen searching for the code, i found that apparently this was common on gen1 cars, but don't see much on gen2. Car is 2017 premier hatch, 47k miles ... news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. Show Less . Full Forum Listing. Explore Our Forums. General Discussion Gen1 1.4L Turbo ...Feb 19, 2021 · I am working on a 2013 Chevy Cruze Tubo that is getting a. I am working on a 2013 Chevy Cruze Tubo that is getting a couple of engine codes. P0171 System too lean bank 1. P015B O2 sensor delayed … read more. I have a 2014 Chevy Cruze 1.4l eco turbo. Updated: March 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 …

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. ... Hello, I have a 2011 Chevy Cruze, already looked into multiple parts from replacing the valve cover, and replacing the ...The CEL came on and threw a P1101 & P0106. P1101 is a diagnostic trouble code (DTC) for "Mass Airflow Sensor Out of Self Test Range". P0106 is a diagnostic trouble code (DTC) for "Manifold Air Pressure (MAP) Barometric Pressure Sensor Electric Circuit Output Range and Performance Problem".P0171 is a code for system lean which is caused by too much vacuum or not enough gas. Since the valve cover and mass air flow has been replaced and no vacuum leaks are preent then next step is to check the furel pressure. Ask Your Own Chevy Question. Fuel pressure is at 63 lb with the key on and 43lb at idle and 49.9 at high RPM.Hello, it looks like your post mentioned one or more of the following ODB-II codes: P0171, P0106, P0299, P0507, P1101 and/or P2096. You might have also typed "PCV" (Positive Crankcase Ventilation). ... On the Generation 1 Chevy Cruze with a 1.4L engine (years 2016 and older; Generation 2 was introduced in 2016, so you'll need to confirm which ...

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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.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...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 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 process when diagnosing P0171.My daughter has a 2012 Cruze with the 1.4l motor. She brought it in for inspection and it threw a P0171 light stating, "too lean Bank 1". I did some research and ended up changing the coil pack and EVAP cover. I had the light reset and it drove for a while without the sensor coming on. She took the car in again today and now she failed for "drive cycle not complete" but no failed code.P0171 Help.. 2012 Chevy Cruze 1.4l Turbo 130K. ... Got the p0171 code the other day and after doing some research found out i needed to replace the valve cover. Just got it replaced along with new ac delco plugs. ... CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. …

You can find common Chevrolet Cruze fault codes on this page that when clicked take you to a detailed description. ... P0171. System Too Lean (Bank 1) Learn More Fixes. 8/10 P0016. Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A. Learn More Fixes. 9/10 P0011.For about the last 2000 miles my 2012 Cruze Eco has been showing multiple codes including P015B, P0106, P1101. I am currently at 47980 miles. Previously there were some codes related to O2 sensor and the Chevy dealer told me that the sensor replacement was not covered by warranty. Based on that information purchased/replaced the bank 1 O2 ...But I digress, my Cruze is ideling really hard, sometimes even dying if left in park. It's reading with the P1101, P0106, and P0171 codes, however I don't know the exact order. I have read to start with replacing just the PCV and moving on, by other people say that's pointless. So some help and direction would be most appreciated!Welcome Aboard!:welcome: P0171 System too lean bank 1 -. 1st - Make sure the oil cap and dipstick are seated properly. 2nd - read this: [h=1] 2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues [/h] Don't forget to introduce yourself and your Cruze here.I am getting P0131, P0137, and P0171 codes on my 2015 Chevrolet Cruze. Data is as follows: Fuel Sys: CL Calc Load: 18.4% ECT: 207F STFT B1: 34.4%I have a 2011 Chevy Cruze with 120k miles with the 1.8L engine. I'm getting the "service stabilitrak" and "service traction control" messages and P0171 code that are frequently referenced on here with the solution of replacing the valve cover. I could also hear the hissing in the engine compartment that many people referenced as being a problem ...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...U0100-71 code. I recently bought a 2014 Chevy Cruze with the 1.8L engine. I had it for 3 days before it began alerting to service the stabilitrack and traction control. When this happened the check engine light would come on and flash. I put it on a code reader which gave me a cylinder 2 misfire.

The most common cause of the P0171 code – and the P0170 and P0173-P0174 codes – is unmetered air entering the combustion system. Most of the time, this happens due to faulty or dirty mass ...

The Chevrolet Cruze has a myriad of lights and codes that appear on the dashboard over the years of ownership. Usually, they simply indicate it is time for a routine maintenance, such as oil and fluid, filter, or basic component changes. Sometimes, however, they indicate that something is wrong in the system. One of these is trouble code p0171. This code indicates that the fuel system is ...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 ...I have a 2012 Cruze 1.4L, with about 182,000 miles. For months my car has been idling rough and throwing codes p0171 and p2096. Also cutting out when accelerating sometimes. Shooting a black smoke out the exhaust because though it's a lean condition it's getting too much air and sucking the fuel like candy to compensate.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.JLL. 6747 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.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.If you have a 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, or 2019 Chevy Cruze or Chevy Sonic, and your engine is running rough and you have a check engin...sedanfan Discussion starter. 13 posts · Joined 2016. #1 · Oct 21, 2018. [FONT="]Ok so I got the dreaded P0171 code Engine too lean bank 1. [/FONT] [FONT="] [/FONT] [FONT="]I already bought a valve cover a few months ago anticipating this would happen. I only need to hop down to the store and get some RTV sealant, then I have ...In this video you will be watching of how to diagnose and fix a code of P0171 code for 2014 GM Chevy Cruze..Symptoms of this code car will stall intermitently.The Chevy Cruze is an extremely affordable and practical sedan that was sold from 2011 to 2019. ... "2012 chevy cruze 1.4 turbo - got P0171 code check light on - car was running rougher idling. Then rpm going nuts when idle or even park acting like it was going to die. That next day replaced PCV valve cover which many recommended to me.

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P0016 definition: The correlation of the camshaft and crankshaft positions on bank 1 is incorrect based on the intake camshaft position sensor. Repair Urgency: Fix this code immediately (same day if possible) to avoid internal engine damage. Diagnosis: This trouble code can cause the vehicle to be hard to start and run rough. In some cases, the ...Blasirl. 15811 posts · Joined 2015. #3 · Sep 13, 2020. 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. If the results of this test are out of range, than the P1101 trouble code is thrown.If your Chevy Cruze has the P0303 trouble code, you should know that it's about as common of a code as there is. It's a generic code (same meaning for all vehicles) that indicates that your car’s third cylinder is misfiring. ... When your Cruze has P0303 and P0171 together, it’s often caused by a clogged or underperforming fuel injector ...My chevy cruz is a 2012 1.8l 2011 Chevy Cruze, Has a code po171, It had the code p0171 before I replaced the valve cover - Answered by a verified Chevy Mechanic ... 2012 Chevy Cruze vin 1G1PG5SC8C7306754 OBD codes p0171 p0106 p1101 Fuel pressure 45psi idling very low I feel Also has a massive vacuum leak from valve cover see picture please ...So took it in to the dealer and this is what they found and was written on the work order. "Customer states the check engine light is on. Tech inspected the vehicle and recovered the DTC P0171, Tech duplicated & performed diag, Tech found the intake manifold tuning valve was broken and causing the engine to run lean, Tech also states the PCV ...1st Generation Chevrolet Cruze. Gen1 Powertrain. Gen1 1.4L Turbo. 2013 1.4L turbo p0234 p0299 p0171. Jump to Latest Follow 2K ... My Cruze is showing three codes p0234 p0299 p0171. My valve cover is hissing at the pcv diaphragm. I'm curious if it may be my wastegate not functioning properly causing too much pressure in the valve cover.2018 Honda Clarity Touring PHEV - Forest Green w/Tan interior (wife's car) 2017 Volt LT - Heather Gray; black bow ties, Charcoal VoltShelf 2012 ECO MT (hail totaled 5/8/2017 @103,600 miles - 42.5 MPG (5.5 L/100km)) - Black Granite/Cloth; 814 mile range; Bluetooth Stereo AUX; OEM Fogs w/Chrome Covers; GM Spare tire; VG Shark Fin; Rostra Lumbar SupportIf 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. ... Chevy Cruze: P0171 and P0174 Diagnosis. Chevy HHR: P0171 and P0174 Diagnosis. Jason on Mazda 6 P0320: Meaning ...Code P0171 and P2270. These are the two codes that came up, have not reset, has a little miss when running. 2011 - Answered by a verified Chevy Mechanic. ... p0304, p0324, p0325, p0326, p0420, p0171, p2270 2011 chevy cruze-- just replaced the cat, and replaced crankshaft seal. ...2014 LTZ P0420 and intrmitent P0171. I have been chasing down codes and performance issues in my wife's 2014 Cruze LTZ. The codes I listed seem to be all that is left. P0420 (Catalyst system efficiency below threshold bank 1) and P0171 System too Lean Bank 1. The second is intermittent but the first is constant.Really need some help here. 14 cruze 1.4l (out of warranty) A few weeks ago my car started to have multiple problems all at once. First the idle became rough and severely lacked power at times. I had codes such as p0106, p0171, p1101, and "stability control needs service".2014 Chevy Cruze Approx 56,000 miles Symptoms: Check Engine PO171 code "Service Traction Control" will appear after the car has been on and running for a few minutes and stay on. "Service Stabilitrack System" will appear sporadically. Rough Idle - While stopped at red lights, the car will shake noticeably. ….

Will the P1101 code make the Cruze stop running? 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 ...P0171 -- 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. ... CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the ...First P0171 and P1101 were before I pulled the ECM fuse and disconnected the battery to reset the computer. The second round of photos is after the codes came back. Codes I have currently are: P0171, P1101, and P2270. I was looking for some advice on what to check specifically. Or a list of things to try to solve the issue.Chevy cruze p1101 and p0171 trouble codesCruze chevy code dtc turbo 2014 chevy cruze p0171 code fix pcvFixing dtc code p0171 on a 2014 chevy cruze 1.4l turbo. P 0171 - buzzpls.com . Chevy Cruze P0171 Engine Code, Idle Issue, Valve Cover Replacement. Check Details.You can find common Chevrolet Cruze fault codes on this page that when clicked take you to a detailed description. ... P0171. System Too Lean (Bank 1) Learn More Fixes. 8/10 P0016. Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A. Learn More Fixes. 9/10 P0011.Chances are the cause of the defective light or brake lights circuit on your Chevy Silverado is a simple problem. Moreover, you can blame most of these problems on little or no mai...I have a 2016 Cruze 1.4L 2nd Gen LE2 Motor. 6-Speed Manual. It has 61,000 miles and I have the P1101 DTC on it with the check engine light. I cleaned the MAF Sensor and cleared the code and a couple days later the code came right back. New MAF Sensor is $100. I don’t want to buy a part that isn’t needed.P0171 Code. I have done every possible troubleshoot, checked purge valve correct function, PCV valve not pushing air out when running, cleaned MAF Sensor and MAP sensor, checked air filter and hose for any type of cracks and leaks. By far nothing. the code appears for about three start cycles then goes away on the dash check engine lamp.Oxygen Sensor – The P0172 code is thrown when the B1S1 O2 sensor does not register the right amount of oxygen in the exhaust. The computer will still adjust the air/fuel mixture to compensate. A bad O2 sensor will show a lean mixture more often, though. Mass Air Flow Sensor – Your Cruze’s mass air flow sensor calculates the volume of air ... Chevy cruze p0171 code, 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 …, 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 ..., 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 problem., Just had the Dealership look into a P0171 code and sure as s**t, vacuum leak, it was a cracked valve cover. 2011 LT/RS - Daily Driver 1985 IROC Z28 - Weekend Cruiser. ... CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. Show Less . Full Forum Listing. Explore Our Forums., 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 circuitry., What causes p0324 code on my 2014 Chevy Cruze 1.8 - Answered by a verified Chevy Mechanic. ... car has several codes blew white smoke out and stuttered alot then problem went away when i got into high rpm p0171 p0324 p0325 p0420 p0420pe p0171pe the car has a gutted catalytic converter ..., 16 Jan 2019 ... Upgrade valve cover gasket replacement for these codes., P0171 Code. I have done every possible troubleshoot, checked purge valve correct function, PCV valve not pushing air out when running, cleaned MAF Sensor and MAP sensor, checked air filter and hose for any type of cracks and leaks. By far nothing. the code appears for about three start cycles then goes away on the dash check engine lamp., One of these sensors is the Mass Air Flow sensor (MAF), which monitors the quantity of air entering the engine, and the ECU will illuminate the CEL right away if it detects that the MAF sensor's ..., In a nutshell, P0171 implies “System Too Lean (Bank 1)”, signaling the excessive presence of air in the engine’s fuel mix. It’s like feeding the vehicle a diet of ‘air sandwiches,’ choking its power generation and decreasing its overall fuel efficiency. The key culprits behind this lean engine condition can be grouped into three ..., 2012 Chevy Cruze p0299 underboost code. My 2012 Chevy Cruze, 130k miles, had the p0299 underboost code pop up about 2 weeks ago, it went away for a week or so and just came back again. In this video I am holding down on the accelerator. It seems that the boost over spikes and then cuts back down and has a problem regulating/building boost back up., 2012 Cruze LT, 1.4L, AT 91,000 Miles as of 6/20 Looking for EV for next car.. Model 3 if Chevy doesn't speed up their EV's to the marketplace! 2002 Intrigue 3.5L,LX5, AT 135,000- Owned for 10 years.. PM for Intrigue help. P1811 also a problem with this car. 2000 Intrigue 3.5L, LX5, AT, 89,000- Owned for 12 years.. Dreaded P1811 killed this ..., I installed a downstream o2 sensor on my Cruze and it fixed both codes. Hopes this helps y'all out!like/Share/Subscribe-Music Credits: Song: Lvne - TribesMus..., 5 Mar 2023 ... Install 2012 Chevrolet Cruze P0171 Fix (Turbo Evap 1-way Check Valve - Follow me on Instagram @559powerscape & on Facebook @Five59powerscape ..., Code P0171 and P2270. These are the two codes that came up, have not reset, has a little miss when running. 2011 - Answered by a verified Chevy Mechanic. ... p0304, p0324, p0325, p0326, p0420, p0171, p2270 2011 chevy cruze-- just replaced the cat, and replaced crankshaft seal. ..., How to fix 2013 chev Cruze codes P0171 and P1101. Chevrolet Cruze Cars & Trucks; Related Topics. cruze engine light 2011 cruze p1101 chevrolet cruze engine light... chevrolet cruze engine light check engine light code 171 2011 cruze p0171 fuel trim bank 1 chevrolet cruze conditioning, 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 morning at ..., Dec 30, 2019 · 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... , What is a chevy cruze p0171 obdii code and what are the fixesChevrolet cruze code 84 problem rpm not working solution / accelerator I have a 2014 chevy cruze diesel recently i was popping p026c codes andChevy code p0325 2017 chevy cruze. 2014 Chevy Cruze 1.4L need help with codes P0010, P0011, P2089., 7 May 2019 ... My buddy Marquis https://www.facebook.com/traeunadams called me over the check out his Chevy Cruze P0171 issue that he was having., 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 ..., A Chevy Cruze P0299 code happens when the onboard computer (ECM) sees low pressure in the manifold. It is an underboost code the ECM sends out when it detects an underboost condition exists. The boost is the amount of positive pressure that is being created by the turbocharger. When the pressure is low, an underboost condition will …, I have P0171 code in Chevy cruze Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it? P0171 Bank 1 System too Lean Mechanic's Assistant: What is the model/year of your Chevy? Cruze/2011 Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far? No, 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 …, 15 Mar 2023 ... Share your videos with friends, family, and the world., 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., , 9 Jan 2024 ... Buy PCV here: https://ebay.us/Subudx Buy Olsa Tools here: https://rebrand.ly/TECH28 Use coupon code "tech28" Buy Milwaukee Underbody Light ..., How Serious Is P1101 on Chevy Cruze. The trouble code P1101 does not make the car stop running. It is, however, advisable to fix it as soon as possible. A lean condition can cause long-term damage to the engine if not fixed. ... such as P0171 and P0174. You will need to replace the oxygen sensor if it is defective. Intake Hose., What is the P0171 code for the Chevy Cruze? The P0171 code indicates that the fuel system in part of the engine is running weak or there is a vacuum leak near that side of the engine. This happens when …, I have a 2011 Chevy Cruze with 120k miles with the 1.8L engine. I'm getting the "service stabilitrak" and "service traction control" messages and P0171 code that are frequently referenced on here with the solution of replacing the valve cover. I could also hear the hissing in the engine compartment that many people referenced as being a problem ..., , In a nutshell, P0171 implies “System Too Lean (Bank 1)”, signaling the excessive presence of air in the engine’s fuel mix. It’s like feeding the vehicle a diet of ‘air sandwiches,’ choking its power generation and decreasing its overall fuel efficiency.