engine misfire at idle

2000 GMC C3500
145,000 MILES • V8 • 2WD • AUTOMATIC
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FERGUSON4821
  • MEMBER
  • 1 POST
my 2000 gmc c3500 misfire at idle and seems to be ok when i reb up motor what could be my problem?
Feb 4, 2011 at 12:15 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Engine running rough or misfiring can be cause by wore out spark plugs, wires, vacuum leaks, bad fuel, faulty sensors.

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Mar 12, 2011 at 2:06 AM
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