1997 Pontiac Grand Prix fast idle

1997 PONTIAC GRAND PRIX
15,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DRGNLADY801
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fast idle
Jan 31, 2010 at 8:19 AM
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MMPRINCE4000
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If idle is less than 500-700 rpm off, then IAC would be suspect.

If idle is over 800rpm off then inspect for a vacuum leak.
Jan 31, 2010 at 8:39 AM