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1994 Ford Thunderbird High idel speed

Tiny
DAVINSMOM
  • MEMBER
  • 1994 FORD THUNDERBIRD
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 188,740 MILES
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.
Monday, March 3rd, 2008 AT 11:33 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 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.
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Thursday, March 27th, 2008 AT 3:53 PM

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