Running poorly, cutting out

287,000 MILES • V8 • 4WD
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KIRK P JOHNSON
  • MEMBER
  • 1 POST
As it is warming up it runs more and more poorly. The speedometer starts jumping around, it will downshift repeatedly and even disengage and over rev. It is a problem that is getting progressively worse that I can barely go to the store 2 miles away and back. but warm or cold it always starts nicely.
Nov 21, 2019 at 5:57 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon,

Are there any codes set?

I am concerned about the transmission. It sounds like it is coming out of gear. You may have a clogged filter in the pan.

https://www.2carpros.com/articles/automatic-transmission-problems

How long since you changed the fluid and filter?

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Roy
Nov 21, 2019 at 6:23 AM
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