The tachometer sensor may fail on Ford F-250

The tachometer sensor may fail; if the tachometer needle jumps around and the transmission has harsh shifts or does not upshift, this sensor should be checked. This sensor is mounted in a cover at the front of the motor.

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Average mileage: (–)
Drive Train affected: 7.3L V8 Diesel
1 model year affected: 1990
1 person reported this problem
0 people shared problem details
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