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2001 GMC Sierra engine missfire.

Tiny
SID HARTMAN
  • MEMBER
  • 2001 GMC SIERRA
  • V8
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
Sometimes my engine will miss and shake and the truck will not go over 40km per hour. At the same time my engine light will flash. If I shut the engine off and restart it the problem goes away and the engine runs good. But the problem always comes back. Any Ideas?
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Saturday, April 16th, 2011 AT 3:08 PM

1 Reply

Tiny
PROTECH1980
  • MEMBER
  • 901 POSTS
Finding out the trouble codes is the starting point for diagnoses, check this link to assist you: https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
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Saturday, April 16th, 2011 AT 3:26 PM

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