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un-steady idle


jakegday
08-11-2010, 12:53 PM
hello all. when i pull into my parking spot, i shift into park and shut my a/c off. after i shut my a/c off my idle RPMs take a serious dive (to about 500) then bounce back up, and then it just keeps bouncing. i can shut the car off, and start it right back up, and everything will be perfect again....

any suggestions?

tblake
08-11-2010, 05:07 PM
Clean the IAC motor and its passage in the throttle body. Then check for vacuum leaks.

jakegday
08-12-2010, 03:41 PM
will carburetor cleaner be ok to use?

olopezm
08-12-2010, 05:55 PM
Yes that would be alright. here's a link with some info about it:

IAC cleaning (http://www.ehow.com/how_2301261_clean-air-control-motor-valve.html)

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