1997 Ford Explorer delayed shifting

Tiny
ROB BOWEN
  • MEMBER
  • 1997 FORD EXPLORER
  • V8
  • AWD
  • AUTOMATIC
  • 122,000 MILES
My Explorer is having issues with delayed shifting and not going into overdrive. I took it to a trans shop to have it checked but it was not doing it when I got there. It sometimes runs fine and then will start up again. There is also a lown whistling sound when I am driving. No check engine light comes on when this is happening. I was told it could be a sensor problem.
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Tuesday, February 16th, 2010 AT 6:37 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi:
This is hard do diagnose if the check engine light hasn't come on. To me it sounds like a sensor or a solenoid. There are sensors (Speed sensors) that determine shifting / OD. And shift solenoids that cause the trans to shift. I believe one of them are the problem. However, it becomes a guessing game when there is no light.

Let me know if you have other questions.

Joe
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Wednesday, February 17th, 2010 AT 8:44 AM

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