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    Idle issue

    Ok, so continuing the saga of my weird engine gremlins...

    My idle is bouncy, sometimes. Usually it's rock solid, but when I'm stopped for a long time it starts wavering. Also, the actual idle varies. Sometimes it's at 900rpm, sometimes at 600rpm.

    This issue is age old in my car since I got it. I've replaced the AFM with refurb unit, a new ICV and a new O2 sensor. Also, new AFM boot. Part replacements helped with the issue big time but the issue is still present, just to a much lesser scale.

    Still can't figure it out, anyone have ideas? I'm doing an oil change and new plugs on saturday, so I want to take advantage of the time to do anything else I might be able to that day.
    1988 325iC - "Betty" - Daily Driver/Project Car.
    1993 318i - "The Golden Dream" - Dad's Car.
    1995 318ti - "Hellrot" - R.I.P.

    #2
    Have you checked your TPS? When the engine starts to idle funny does it throw the CEL? If so, is it on all the time or only when it idle bad?

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      #3
      Originally posted by Ritalin Kid
      Have you checked your TPS? When the engine starts to idle funny does it throw the CEL? If so, is it on all the time or only when it idle bad?
      hehe.. funny you should mention the CEL...
      My instrument cluster has gone crazy. The fuel gauge is insane. The CEL doesn't work at all. The lights that turn on when you turn on the car will stay on until i let go of the handbrake. I dunno what's going on there.

      About the TPS, I did plan on checking that this weekend. Anything in particular i should look for? Or just follow the Bentley?
      1988 325iC - "Betty" - Daily Driver/Project Car.
      1993 318i - "The Golden Dream" - Dad's Car.
      1995 318ti - "Hellrot" - R.I.P.

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