Engine misfire at idle

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?

Friday, February 4th, 2011 AT 12:15 PM

1 Reply

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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