2003 PONTIAC GRAND AM MISFIRE ON CYLINDER 2

  • Tiny
  • duffman1972
  • 2003 Pontiac Grand Am

Engine Performance problem
2003 Pontiac Grand Am 6 cyl Two Wheel Drive Automatic 119, 00 miles

I have a 2003 Grand Am w/ a 3.4. It is misfiring on #2. I replaced the coils, plugs, wires, injector & control module. What else could it be?

Saturday, September 12th, 2009 AT 8:42 AM

1 Answer

  • Tiny
  • mmprince4000
  • Expert
  • 8,715 posts

Check the compression on that cylinder, could be a collapsed lifter, bent/broke pushrod.

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Sunday, September 20th, 2009 AT 9:04 AM

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