1999 Ford Escort

1999 FORD ESCORT
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EARLJR
  • MEMBER
  • 1 POST
1999 Ford Escort 4 cyl Wheel Drive Type unknown Automatic 233889 miles
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I change the spark plugs an wire change the H2O sensors change the fuel filter an pcv valve an my car at idle putts . it idles lower than what it pose to then keeps changing idles what can the problem be an the check engine light comes on when the car is warm
Feb 8, 2008 at 5:11 PM
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BLACKOP555
  • CAR REPAIR CONTRIBUTOR
  • 10,386 POSTS
also clean out the EGR valve and its ports.

it could be a dirty throttle body and bad IAC (idle air control) module also.
Feb 8, 2008 at 5:49 PM
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