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  • Fast idle

    So i went through the fun of taking way too many parts off my 3.4 V6 to adjust the rockers, and now the car idles between 2 and 3 thousand RPM. I can find no vacuum leaks, and the throttle plate is completely closed during this. tried pulling the battery to reset things, no help. No warning lights either. Any ideas? Could the IAC have failed me at the same time?

  • #2
    Re: Fast idle

    take off the IAC and see but i doubt it. odds are you missed a bolt somewhere. hook up a vacuum tester to make sure.
    2000 3.8L Camaro A4 Pewter Y87<br />K&N Filter, SLP Ram Air kit, Eibach Pro Kit, Flowmaster 80 series, Silverstars, NGK plugs and MSD Super Conductor Wires, Electric Water Pump

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    • #3
      Re: Fast idle

      check to see if your TB is open

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      • #4
        Re: Fast idle

        TB completely closed. Doesn't seem to be a throttle or throttle linkage issue.

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        • #5
          Re: Fast idle

          Are you completely SURE you re-installed the TPS where is was originally positioned? I didn't reinstall mine once after a TB overhaul and the idle was BigTime high!!!

          A high idle could be a faulty IAC or TPS (or other things), but I'd check the TPS first before you go buying replacement parts.

          I don't know too much about the 3.4's because I've never owned one. Just trying to help though.
          sigpic

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          • #6
            Re: Fast idle

            Thanks for all the suggestions. The problem was that the intake manifold gasket was slightly folded, at least that should be it after I get it back together.

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