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  1. OEM Issues
    Bought a used 2002 trailblazer that had some problems when I got it. Threw codes p0340 and p0014. Stalled out when breaking at random intervals. I replaced the camshaft actuator solenoid and camshaft position sensor, changed the oil, changed spark plugs and finally got it to pass emissions. Now...
  2. OEM Issues
    Okay, so let me explain the situation: My boyfriend's truck is a 2004 Chevy Trailblazer EXT with a 6-cyclinder engine and a 4x4. The engine light would come and go so we didn't think anything of it till we tried to run it through emissions and they failed it because the check engine light was...
  3. OEM Issues
    Hi, my envoy 2004 RPM needle will move up and down when i turn on the blower/vent or the a/c, and the engine will rev like its about to stall. what can be the cause of this? i tried to google it i found something about "IAC" idle air control valve, this might need cleaning or replacement. any...
1-3 of 3 Results