1997 Pontiac Grand Am startup

1997 PONTIAC GRAND AM
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GHOST1257
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Engine Performance problem
1997 Pontiac Grand Am 6 cyl Front Wheel Drive Automatic

when starting cold the engine runs rough the idle goes up and down by its self.then it runs fine but does it on startups replced egr valve pcv valve have any ideas
Oct 24, 2010 at 8:25 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Try cleaning out the idle air control valve and also the EGR and PCV valves and see what happens
Oct 24, 2010 at 1:30 PM
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