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need help with the idle

  1. 1999 Mustang GT need advice

    Introductions
    I have a 99 Mustang GT 35th Anniversary edition. I just recently traded my 04' VW Beetle Turbo Converible for this car. I have always wanted a Mustang GT and I'm excited about having it, however I would like to tune it up a little. It runs great, except it will jump in RPM's while idling...
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