Shifting problem from first to second gear

Tiny
MEL.CLARK
  • MEMBER
  • 2005 FORD FREESTAR
  • 3.9L
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
My van builds up rpm's in first. Gear some times it will not shift to second. For a second or two. What could it be?
Sunday, September 30th, 2018 AT 2:36 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

The throttle position sensor on the throttle body is what controls shifting of the transmission. When it fails, it usually sets a code.

Do you have any codes set in the system?

When was the last time the fluid and filter has been changed?

Roy

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

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission
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Monday, October 1st, 2018 AT 4:36 AM

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