Engine misfire at idle

Tiny
FERGUSON4821
  • MEMBER
  • 2000 GMC C3500
  • V8
  • 2WD
  • AUTOMATIC
  • 145,000 MILES
My 2000 gmc c3500 misfire at idle and seems to be ok when I reb up motor what could be my problem?
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Friday, February 4th, 2011 AT 12:15 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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

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Saturday, March 12th, 2011 AT 2:06 AM

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