1990 Mitsubishi Galant Engin Hunting Revs About 2000 Rpm On Idol Air Leaks

1990 MITSUBISHI GALANT
185,000 MILES
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engin is hunting revs are at about 2000 rpm on idol no air leaks on manifold as i could see but took wire off idol switch and motor went smoth but revs were still up took plug off air intake engin slowed to 1500 rpms any idears
Jan 10, 2013 at 8:04 AM
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HMAC300
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try cleaning iac and throttlep plate on both sides first with choke cleaner then check for a vacuum leak
Jan 10, 2013 at 2:59 PM
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