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check engine light

  1. Locks going crazy while driving?

    Problems and Service
    Hi everyone, I have a 2005 Chevy Cobalt, and as I was driving yesterday, the locks were going crazy. The strange thing about this is while this was happening, my car would not accelerate, and the check engine light temporarily came on as well. Obviously since I can't accelerate while this...
  2. Check Engine Light P0455

    Problems and Service
    Hello, I have a Chevy Cobalt 2008 LT with 136k miles. The check engine light is on and is stable. I took it to Autozone and it was code P0455 (Evaporative Emission System) - no other codes. It was cleared and then it reappeared after about 100 miles. No loss of power or responsiveness. The...
  3. Infamous P0171 CEL Code

    Problems and Service
    2005 Chevy Cobalt 2.2L 4 Cylinder P0171 System too lean Bank 1 Both o2 sensors have been changed. Car has been checked for any vacuum leaks and none have been found. Only other option I've been given is that it's either the MAF or that it could be the 4 o rings inside the intake manifold...
  4. Check Engine Bulb Not Working Got Replacement but Don't Know if Right One.

    Problems and Service
    Hi, I had emissions done and failed only because my check engine light bulb wasn't turning on, So I looked up on auto zone to see and it gave me a part # 89LL that is recommended for my 2008 Cobalt lt. I was wondering if someone can tell me if this is the correct bulb. Thanks. If I have or for...
  5. Cat and Some Major Sensor Problems

    Problems and Service
    I have a 2008 Cobalt Sport, automatic, sedan. I deliver food with my car five nights a week, average 8-9 hours actual driving each night and putting on 90-140 miles each night. I work 55-65 every week and am now taking tons of time away from sleep trying to figure out everything that is wrong...
  6. Steady Check Engine Light, Help Please!

    Problems and Service
    Recently my Check Engine light came on in my 2006 Chevy Cobalt SS. It seems after the light came on it seems like i've been getting less kms to the tank. I've looked through my manual for tips and advice to try and remove the warning light but nothing has worked. I have taken my gas cap off...
  7. On and Off Code

    Problems and Service
    I mentioned this is one of my other threads, but its been bugging me and its also not getting mych attention. So it gets its own thread Ive been getting a code from my cold air intake, making my CEL come on, never got the code when i had the SRI on the car. I had the code ran as p0107. What...