Car will not idle after initial start

1997 PONTIAC GRAND PRIX
170,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DEH214
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i have a 97 grand prix when i initially start the car it idles fine upon starting the car again it will not idle. I can only get it to go by putting it in neutral then in gear. After running for a few minutes I do not have the problem until I stop again.
Mar 14, 2011 at 6:37 PM
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JDL
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Clean the throttle-body and iac/idle air control. How long since a tune-up? Any applicable trouble codes?
Mar 14, 2011 at 6:49 PM
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DEH214
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I just replaced the spark plugs and no applicable trouble codes it runs fine the only issue is the idling.
Mar 14, 2011 at 6:57 PM
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JDL
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Idle air control has to do with your idle.
Mar 14, 2011 at 7:34 PM