Thread: '93 Lumina intermitt. high revs. above 2mph
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Old 02-23-2006, 07:34 PM   #4
maxwedge
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Re: '93 Lumina intermitt. high revs. above 2mph
Do a full scan and you can see what the pcm is commanding the iac to do, this should narrow the problem down. Also make sure the TB throttle plate shaft is not worn in the housing, causing not it not to seat.
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