1999 Pontiac Grand Am grand am 99 losing power uphill and i

1999 PONTIAC GRAND AM
120,000 MILES • 4 CYL • FWD • AUTOMATIC
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DEVERSMIO
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  • 1 POST
My grand is losing power and idling rough. Engine light came took it in it was missing on #3 cylinder. The change caps, sparks and my o2 sensor was bad. Still doing the same. Coil packages have 2 cylinders not hitting could it be my kock sensor. Help
Nov 7, 2009 at 2:22 PM
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KNOWYOURAUTO
  • ✓Experienced Mechanic
  • 113 POSTS
Would you update your question with the specific engine type? Your vehicle either has a 2.3, 2.4 liter engine or a 2.2 liter engine.

Regards,

KnowYourAuto
Nov 14, 2009 at 2:50 PM
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