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Misfire
Misfire
HI BYE
MEMBER
2003 GMC SAFARI
6 CYL
2WD
AUTOMATIC
A misfire on cylinder 4
Friday, December 24th, 2010 AT 5:57 PM
1 Reply
BLUELIGHTNIN6
MECHANIC
16,542 POSTS
Will need to inspect spark plug, fuel injector and plug wire for that cylinder. Also check for scratched cylinder walls as well as burnt exhaust valve. Hopefully, it is just a fowled plug. That would be the cheapest fix.
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Wednesday, February 9th, 2011 AT 3:02 PM
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