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Transmission

Tiny
ROB HUGHES
  • MEMBER
  • 2009 CHEVROLET 2500
  • V8
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
Transmission will "bump" into gears only after highway driving. Runs great otherwise. If I turn off for a minute after highway, runs smoothly again.
Sunday, November 5th, 2017 AT 5:56 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
It sounds like you have shaft speed sensor going out but to be sure we must run the codes. Here is a guide to do so.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run this test and get back to us.

Cheers, Ken
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Monday, November 6th, 2017 AT 1:48 PM

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