Thread: 96 Cutlass Supreme 3.4L DOHC Idling high and not shifting properly
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Old 06-18-2010, 04:22 PM   #6
Badfish169
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Re: 96 Cutlass Supreme 3.4L DOHC Idling high and not shifting properly
Sounds like you have a vaccum leak IMO

Check all you vaccum lines on your intake manifold.
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