Fast Idle

TLAW111

MEMBER
FORD THUNDERBIRD

I have a 1992 ford thunderbird 3.8 litre with 130,000 miles. The car ran fine one day I started it and the idle went to 2500 rpm's I changed the M.A.S. No help changed the T.P.S. No help any suggestions on what to do next?

Saturday, August 4th, 2007 AT 2:41 PM

1 Reply

RASMATAZ

MECHANIC
75,992 POSTS

Could be coked-up throttle plate and an ISC device-take it out and clean. Could also be a vacuum leak.

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Fast Idle

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