WONT STAY RUNNING

Tiny
WALNUT
  • MEMBER
  • 2002 GMC SIERRA
  • V8
  • AUTOMATIC
2002 gmc C2500 WITH 6.0 LIT. GAS. 94000 MILES IT STARTED TO BACK FIRE AND WONT STAY RUNNING. ANY IDEA'S?
Monday, February 21st, 2011 AT 9:47 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
First, it's almost time for those 100,000 mile plugs to be changed, also there is a tec bulletin on the ground strap on the back of the head, it needs to be removed, cleaned up ans reattached and coated with RTV. This is due to misfires caused by a bad PCM ground.
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Monday, February 21st, 2011 AT 9:53 PM

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