what would b the reason for the car revving up an down on its own
recently replaced the spark plugs , crank sensor , and coil pack
idle speed revving up an down on its own
Moderator: Octane2097
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CHRIS GEE
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chopper746
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Re: idle speed revving up an down on its own
could be your throttle postion sensor it happen to my 1.4 sri when u rev to say 3000rpm it would stay there i unplugged the throttle postion sensor plug and re connected it runs ok again now
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haydn1987
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Re: idle speed revving up an down on its own
the idle control motor, take it out and give a clean with carb cleaner.
could be throttle position sensor but they almost never go wrong.
could be throttle position sensor but they almost never go wrong.