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1991 Ford Escort transmission downshifts from overdrive and

Tiny
DMARKC
  • MEMBER
  • 1991 FORD ESCORT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 21,100 MILES
When moving along, the transmission sometimes downshifts from overdrive one gear and won't shift into overdrive without first coming to a complete stop. Doesn't do it all the time, but when it does, I drive at higher RPMs burning more gas and more engine work.
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Tuesday, September 7th, 2010 AT 10:02 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Have any warning lights come on?
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Wednesday, September 8th, 2010 AT 7:12 AM
Tiny
DMARKC
  • MEMBER
  • 3 POSTS
No lights or warnings. Nothing. It just downshifts on its own.
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Thursday, September 9th, 2010 AT 4:49 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
It could be the result of a few different things, shift solenoid, converter, trans control module. The problem is this. Without a light coming on, it becomes a guessing game. If it continues to do it and you get no check engine light, it will have to be checked by a trans tech.
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Friday, September 10th, 2010 AT 10:19 AM

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