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1998 GMC Jimmy Question: low and high idle

 

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jray11976, Iowa City, IA, April 01, 2011, 07:59
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Last week i went to start my 98 Jimmy and when it turned over it idled really low then idle really high then low and then high then it usually cuts out and dies also smell gas while itd doing this... have any idea where to start as far as what could be wrong

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