2004 GMC Envoy Tranny Problems

- M
- Mark Taylor
  
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posted
14 years ago

Thu, Dec 3, 2009 12:55 AM

04 Envoy just recently had the transmission rebuilt at 115k miles. Now it seems it can't make up its mind which gear to cruise in. It jumps frequently between 3rd and OD. Any ideas as to why it would do this?

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- hls
  
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posted
14 years ago

Thu, Dec 3, 2009 12:59 AM

- S
- Steve W.
  
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posted
14 years ago

Thu, Dec 3, 2009 1:31 AM

Sounds like a possible speed sensor problem. I would take it to a shop and watch it shifting on a scan tool.

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