Question about 2000 Ford Escort

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The car runs fine until i stop or park and it goes below 1000 RPM it just dies at an idol. I have brought it to 2 mechanics and they can't find anythig wrog when they hook it up to the computer. Any ideas of what it could be?

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Sounds like a faulty idle air controll valve , it is mounted on the intake and is easy to to replace however ,,, to prove out this concern use a scan tool and monitor the iac duty from the pcm .. such as the the a/c is turned on the pcm sends a ( duty cycle %) to the iac to idle up the engine to compensate for the compressor load .
an iac valve cost $60-$80

hope this helps

Posted on Aug 27, 2010

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Posted on Jan 02, 2017

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