service engine

2002 PONTIAC GRAND PRIX
242,000 MILES • 6 CYL
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LBUSS
  • MEMBER
  • 3 POSTS
have 2002 pontic grandprix starts then stalls
Feb 19, 2011 at 4:18 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.
Feb 19, 2011 at 4:19 PM
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LBUSS
  • MEMBER
  • 3 POSTS
code says multipal misfire
Feb 19, 2011 at 5:43 PM
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LBUSS
  • MEMBER
  • 3 POSTS
idles rough when you give it gas it goes away
Feb 19, 2011 at 5:47 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Go to this link: https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Feb 20, 2011 at 8:28 AM
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