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p0171

  1. Gen1 1.4L Turbo
    I'm getting the P0171 code in my 2012 1.4LT cruze. The PCV valve doesn't seem like it's pulling in air and there is no noticeable issues when idling and doesn't lose power when driving. I sprayed carb cleaner around all the hoses for the intake and it didn't rev the engine like it would if there...
  2. Gen1 Service Issues
    Hi all, I am new to this form and was wondering if anyone has experienced this before. About a week ago my 2014 1.4L Cruze was idling rough, lack of power, etc and throwing out codes: P0106, P0171 and P1101. I took it to my local Chevy dealer and they replaced the intake manifold and the valve...
  3. Gen1 Powertrain
    Check engine light came on this morning, took it to autozone and in this order codes read P0171 System too lean (bank 1), P0106 Manifold Absolute Pressure/BARO Sensor Range/Performance, P1101 Intake Air Flow System Performance, Autozone recommendation is to replace fuel injector. But knowing...
  4. Gen1 1.4L Turbo
    Welcome to the house of Pain So I have been fighting with the CEL on my 146k mile 2014 Cruze 1.4t for quite some time and now I am at a loss. I have frequented the search bar throughout this venture and made some guesses of my own but I suppose its time to admit defeat and ask for help. A...
  5. Gen1 Service Issues
    Couple questions here if anyone would be willing to help me. I have a 2014 Chevy Cruze and the other day my check engine light came on, so I took it to O'Reilly to do the free diagnostic's test. They came back with the code P0171: System Too Lean Bank 1 along with a list of probable components...
  6. Gen1 Service Issues
    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. If cleared, it...
  7. General Discussion
    Good afternoon. I’ve been looking for help all over. I own a 2016 Chevy Cruze Limited LT. After a day long road trip, my check engine light popped on for this first time since getting the car in 2017. It shows code p0171, system too lean bank 1. Autozone said it’s the mass air flow sensor but I...
  8. Gen1 1.4L Turbo
    ok so my cruze has had the p1101 on for about 2 months now but today it and p0171, p0507 showed up and idle goes up and down in rpm. any ideas?
  9. Gen1 Service Issues
    Hi All, New to the forum. 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...
  10. Gen1 Powertrain
    So, I have a 14 Cruze with 1.4t, got the P0171 this morning. I still have a few months of powertrain warranty remaining. Are there any scenarios where the problem could be fixed for free or do I need to bend over?
  11. Gen1 Service Issues
    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 (everyone here seems to be a great resource and wealth of knowledge)...
  12. Gen1 Service Issues
    Engine light came on for P0171, I found the vacuum regulator in the cam cover hissing. Also found oil build up around CAC ClAmps and oil in the intake piping, check complete PCV system. Check valve in intake manifold is intact. When blowing into corrugated hose off intake manifold it blows...
  13. Gen1 1.4L Turbo
    Hey, I've noticed occasional P0171 codes logged. I'm not getting a CEL as you need 2 or more 0171 logged to trigger it. Noted pursuing forums that people who wait till the intake manifold fail generally have other seals etc go bad as a result. with 70K on the OD, and no real issue to report...
  14. Gen1 Service Issues
    Hello all! I need help. My 2012 Cruze 1.4 turbo is my daily driver. About 90 miles a day. Car has 132k miles. Yes I know the issues I’m having seem to be common in my research. But I need assurance. Story: One month ago the car started running rough. The valve cover had failed. Noise and...
  15. Gen1 1.4L Turbo
    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...
  16. Gen1 Service Issues
    So after reading a bunch of forums and watching a lot of videos, I decided that a straight pipe from the second cat back would be a good choice so that my car could breathe more and it hopefully wouldn’t cause back pressure problems, for about a day everything was fine and now at red lights my...
  17. Gen1 Service Issues
    Hi everyone! My name is Eric and I recently purchased a used 2012 Chevy Cruze LTZ RS about almost 2 years ago And I’ve loved it ever since! It’s been running smooth and perfect for those two years up until now.... ? Not really sure where I could post this to get help or any feedback so I decided...
  18. Gen1 Service Issues
    Certified 2015 1.4T with 49k, purchased in 2016 with 14k. 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...
  19. Gen1 1.4L Turbo
    Ok so I got the dreaded P0171 code Engine too lean bank 1. 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 everything I need to do it. Problem is tomorrow I have an important...
  20. Gen1 Service Issues
    YEP im having p0171. Initially idled hard and would almost die. Bucking during acceleration. Would barely start, and even died completely a few times. Was very noticeable and scary during south fl traffic being stuck at a red light while the car is bucking and jerking. Threw 12 codes in one...
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