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1998 Ford Taurus Question: Idle speed fluctuats from day to day.

 

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duanesummers, 3.0L V6 DOHC, Springfield, MO, April 06, 2014, 00:52
 Rookie

usually when first started.

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  • Answer #1

    Tires Too (135 Answers) , Londonderry, NH - (603) 473-4287
    tires too April 06, 2014, 05:26
     Journeyman

    Idle air control valves are know to have high failure rates. Throttle body plates get gummed up and stick. You can try cleaning the throttle body.

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  • Answer #2

    April 06, 2014, 07:54
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     Master

    Also a common problem,, vacuum leaks! Check pcv system...

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