Question about 1998 Ford Escort

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1999 Ford Escort idle problems

I have a 1999 Ford Escort. It started idling fast a few weeks ago with an engine code. The code said something about the idle air contro valve. I replaced it. It worked good for about two weeks. The check engine light came back on with the same code. I called Advance Auto to see if they would replace the idle air control valve. Advance Auto replaced it and it worked fine for a couple of days. It started idling fast again w/no engine code this time. It starts idling fast usually after going up a mountain. Once it starts idling fast it won't quit now for about one minute after you stop. It idles between two and three thousand rpms when idling fast. Any help would be appreciated. Thanks.

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  • Brian Bown Sep 14, 2008

    My 1997 Escort 1800 16v has an erratic idle when warm/hot and sometimes cuts out when cold. Could this be the idle speed control valve?

  • Anonymous Mar 23, 2014

    could it be the idle air control valve



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PVC valve is not metering air correctly, it will appear ok shaking it but looses it ability to maintain proper position causing a medium to gross vacuum leak.

Posted on Jun 01, 2012

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You need to look for a vacume leak thsi would also make your IAC valve go beyond range.good luck

Posted on Sep 12, 2008


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