2002 Pontiac Grand Prix Runs rough on start up

2002 PONTIAC GRAND PRIX
88,300 MILES • 6 CYL • 2WD • AUTOMATIC
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JBOK1220
  • MEMBER
  • 1 POST
When my car sits for a couple of hours and when i start it up it runs rough and is very loud. After it runs for like 3 to 5 minutes it runs fine after that. Any help would be nice.
Feb 10, 2009 at 2:11 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Try cleaning out the idle air control valve and see what happens
Feb 10, 2009 at 4:15 AM
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