1994 Ford Thunderbird High idel speed

1994 FORD THUNDERBIRD
188,740 MILES • 6 CYL • 2WD • AUTOMATIC
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DAVINSMOM
  • MEMBER
  • 1 POST
My engine won't idle at less than 1700rpms, so this makes it hard to drive.
I've changed the Mass airflow sensor and also put it on a tester. Still I haven't been able to fix the problem.
Any sugestions please.
Mar 3, 2008 at 11:33 PM
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BLACKOP555
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 10,386 POSTS
take the IAC module and unplug it and drive it seee if the idle comes down any, clean the throttle body, and check for a restricted PCV valve.

it may also be a vaccum leak.
Mar 27, 2008 at 3:53 PM
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