Question about 1996 Kia Sephia

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Idling car runs good for a while then the rpms begins to go up and down for a while then it settles down for a while and starts the process all over again. this is while idling and while driving

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Have you checked if there is anything blocking the air intake behind the air filter..I had a mouse build a nest in mine and it sucked it up! did the same thing for awhile till the rpms went up and stayed up..
Phil

Posted on Oct 15, 2008

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