crazy idle

alphacoupe

Registered User
When I place my car into park it idles at around 2500 to 3000 rpm's. It also accellerates even if I don't press on the accellerator. Just looking for some suggestoins on what to check.
 
when i added bigger throttle body mine idled fast untill i unhooked the battery or take the memory fuse out a few min to reset the computer maybe clean idle air control valve on the throttle body or listen and look for vacuum leaks

the throttle position sensor acts that way when they go bad check for codes
 
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