transmission problem

1997 GMC
150,000 MILES • 6 CYL • FWD • AUTOMATIC
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LARRY JAMES
  • MEMBER
  • 1 POST
It will not shifted going down the road. The rpm red line oil psi goes way up.

May 16, 2016 at 6:26 PM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
Have a transmission profession look at this and scan for codes.
May 17, 2016 at 8:07 AM
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RENEE L
  • CERTIFIED EXPERT
  • 1,260 POSTS
Here is a link to an article that features written step by step instructions and pictures explaining how to do the scan yourself, also I have included a link to our YouTube channel with a how to video on code scanning. Most scanners are inexpensive to purchase, you can purchase one from Amazon.com. Once you have the codes please get back to us so that we can further assist you.
Thank you for visiting 2CarPros.

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

https://youtu.be/YV3TRZwer8k

All the best,

Renee
May 17, 2016 at 4:33 PM
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