WONT STAY RUNNING

2002 GMC SIERRA
V8 • AUTOMATIC
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WALNUT
  • MEMBER
  • 1 POST
2002 gmc C2500 WITH 6.0 LIT. GAS. 94000 MILES IT STARTED TO BACK FIRE AND WONT STAY RUNNING. ANY IDEA'S?
Feb 21, 2011 at 9:47 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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MERLIN2021
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 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.
Feb 21, 2011 at 9:53 PM
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