Question about 1998 Ford Escort
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.
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
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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Posted on Jan 02, 2017
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