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Old 03-13-2007, 01:44 AM   #6
Mallard
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ICV or idle control valve it sounds like to me. start the car, when the revs start to fluctuate UNPLUG the icv (connector on the underside)

if the revs ballance out its that. TPS would be for low or high idle

high idle could also be an air leak

hesitation on accl. is usually TPS incorectly set , loose throttle cable or faulty AFM

"jumping" from low rev to high instead of gradual increase is faulty afm

from low idle to stall, fuel pump faliure
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