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2001 GMC Envoy

Tiny
THEINOVATOR
  • MEMBER
  • 2001 GMC ENVOY
  • V8
  • AWD
  • AUTOMATIC
  • 136,000 MILES
My car sometimes hesitates/stutters when I'm driving. Also when the car is stopped and I try to take off, it may have a very slow reaction time/loss of horse power and then it will all of a sudden pick up speed. THe check engine light will blink several times then go off.
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Friday, July 16th, 2010 AT 1:02 PM

1 Reply

Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
Ive seen this on a few of these. 1st thing is 1st. Replace the fuel filter. Also check the coolant. For some reason, low coolant will cause these to act up. If you still have problems, get a new ecm, and have it flashed to your vehicle.
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Saturday, September 4th, 2010 AT 7:44 PM

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