Q about rpms moving up and down. | Ford Explorer Forums - Serious Explorations

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Q about rpms moving up and down.

Chew_12

Working
Joined
December 2, 2002
Messages
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City, State
Chandler, AZ
Year, Model & Trim Level
'93 XLT
Q about rpms moving up and down? Help Please!

After I drive on a trip for about 2- 2.5 hours and i turn off my car, then restart it, my rpms go up from 600 to 1000 then to 600, than too 1000, and so on. It takes about a minute for it to stay at 600. Any ideas of what this is?
 



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Bump a klump
 






Geez, bumping after a half hour?

What's your IAC history?
 






Whats IAC.. I dont know the lingo.
 






Idle Air Control?? I think. I dont think I have ever replaced it.
 






The IAC is a possibility.
 






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