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  1. Thread: Bad PCM??

    by Heavyopp
    Replies
    6
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    1,694

    Re: Bad PCM??

    SO I pulled my PCM -- took it apart -- No visible damage or burnt parts -- I'll do some testing tomorrow


    Can someone test their TPS connector for me on a running XJ?

    Pull the connector from...
  2. Thread: Bad PCM??

    by Heavyopp
    Replies
    6
    Views
    1,694

    Re: Bad PCM??

    correct -- and it sure seems like it's coming directly from the #23 pin on the PCM

    I guess it's as simple as that -- PCM fried

    I certainly hold out for some thoughts from others for a few days...
  3. Thread: Bad PCM??

    by Heavyopp
    Replies
    6
    Views
    1,694

    Re: Bad PCM??

    It's funny -- With the plug disconnected at the PCM I get 7 volts at the pin that is supposed to supply the TPS with 5 volts -- When I plug the harness in I get 5 volts at the TPS as I should

    The...
  4. Thread: Bad PCM??

    by Heavyopp
    Replies
    6
    Views
    1,694

    Bad PCM??

    Hello, new to the forum -- Need some help with a troubled XJ

    2000 Cherokee 4.0 -- 225,000 miles

    Jeep starts but misses terribly -- Barely runs at idle -- runs when on throttle but very rough,...
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