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2003 Ford Windstar Question: my rpm go up and down

 

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gtsolas, Brooklyn, NY, November 28, 2010, 05:46
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my rpm go up and down when my car is cold

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  • Answer #1

    November 29, 2010, 00:10
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     Master

    Fluctuating idle speed can be caused by an air intake problem or a sticking idle air control valve. Have the vehicle diagnosed to be sure.

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