When accelerating transmission locks down in first gear

Tiny
DHBOBCAT
  • MEMBER
  • 2001 FORD MUSTANG
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Start going, and when it shifts it locks down in 1st.
Monday, June 1st, 2020 AT 5:22 PM

1 Reply

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

What do you mean it locks down in first gear? Do you mean it will not up-shift?

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

How long since you had the fluid and filter changed?

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

Is the check engine light on? The throttle position sensor is a primary sensor for shifting times for the transmission.

Roy

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Tuesday, June 2nd, 2020 AT 4:14 AM

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