Thread: 2001 Pontiac Grand Am: high idle, high rpm shifting
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Old 11-10-2010, 09:16 PM   #2
doctorhrdware
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Re: 2001 Pontiac Grand Am: high idle, high rpm shifting
Or it could be a problem in the wiring. Pull the connectors going to the PCM and check the pins on the connectors for corrosion and on the PCM also. Also check the wiring, it could have a short in the wire harness.
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