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Mercury
Mountaineer
Drivetrain
Transmission
Overdrive
will not shift into overdrive
1997 MERCURY MOUNTAINEER
50,000 MILES • V8 • AWD • AUTOMATIC
KARINA CLAY
MEMBER
1 POST
Driving in second gear all the time. Will not shift into overdrive.
Jun 26, 2017 at 3:40 AM
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STRAILER
✓
Experienced Mechanic
55,649 POSTS
Hello,
It sounds like you have a shaft sensor that has gone bad but to be sure lets run the codes to see what comes up.
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
Please run this test and get back to us we are interested to see what it is.
Cheers, Ken
Jun 28, 2017 at 10:44 AM
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