What kind of problem would cause automatic truck.

Tiny
KTALLBULL
  • 2008 GMC SIERRA
  • 128,000 MILES

What kind of problem would cause automatic truck to have lower power when first driving off, then shift very hard when shifting gears?

Do you
have the same problem?
Yes
No
Tuesday, February 12th, 2013 AT 6:10 PM

3 Replies

Tiny
DOCFIXIT
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  • 19,042 POSTS

Check engine light on? Have checked fluid?

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Tuesday, February 12th, 2013 AT 7:19 PM
Tiny
KTALLBULL
  • MEMBER

Yes, check engine light came on them problem started. Did not check fluids.

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Tuesday, February 12th, 2013 AT 9:54 PM
Tiny
DOCFIXIT
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Have codes read at parts store post willl advise

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Wednesday, February 13th, 2013 AT 9:10 PM

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