2000 Civic EX Check Engine Light...

Discussion in 'Civic' started by Beerwlf33, Jul 25, 2004.

  1. Beerwlf33

    Beerwlf33 Guest

    The Car:
    2000 Honda Civic EX
    AEM Short Ram Intake
    91,000 Miles.

    The problem:
    Check engine light won't go out.
    About a year ago my uncle switched the spark plugs on the car. He either over
    tightened them or didn't tighten them enough and the plug stripped itself and
    blew the #4 cylinder. My mechanic managed to rig it so the plug stays and I run
    on all four cylinders. However, the car has backfired lately and the check
    engine light is on perpetually. The car has no real performance problems except
    for the occasional backfire. We reset the computer and the CEL comes back on
    without fail. I'm wondering if it's a cat problem or a bad oxygen sensor.
    Emissions testing is coming up and any way I slice it, it looks like I'll be
    spending $. Any ideas?
     
    Beerwlf33, Jul 25, 2004
    #1
  2. Beerwlf33

    Chip Stein Guest

    get the code read, without it anyone here is just guessing, although
    it could be a rondom misfire on cylinder 4 but i doubt it. autozone
    scans codes for free.
    Chip
     
    Chip Stein, Jul 25, 2004
    #2
  3. Beerwlf33

    SoCalMike Guest

    get a scantool for $100.
     
    SoCalMike, Jul 26, 2004
    #3
  4. Beerwlf33

    George Macdonald Guest

    Hmm, I hope you didn't have your uncle do the valve clearances too.;-)
    Back firing sounds like kinda bad news - sticking or burned valve. Check
    the valve clearances and see what you find - if there's one that needs a
    lot of adjusting to get clearance it's burned.

    Rgds, George Macdonald

    "Just because they're paranoid doesn't mean you're not psychotic" - Who, me??
     
    George Macdonald, Jul 26, 2004
    #4
  5. Beerwlf33

    Bill Seas Guest

    Get a new Uncle!
     
    Bill Seas, Jul 28, 2004
    #5
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