1996 GMC Jimmy surging

Tiny
BREWMASTER
  • MEMBER
  • 1996 GMC JIMMY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
While driving the car speed reaches 45-50 mph the engine starts reving. Then when speed reaches 65 it stops.
Tuesday, January 15th, 2008 AT 8:46 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Is your service engine soon light on? If yes the codes would be helpful, there are several tech bullitens on GM trannys. Need the code to get to the bottom of this one. In the mean time, unplug the electrical connector at the tranny and look for corrosion.
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Tuesday, January 15th, 2008 AT 8:54 AM

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