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Ford F-350

Report: The tachometer sensor may fail

Ford F-350 Problem
7 Reports
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Model Years Affected: 1990, 1991, 1992, 1993, 1994

Drive Trains Affected: 2WD, 7.3L V8 Diesel, Automatic Transmission, Diesel

Average Mileage: 152,298 mi (137,596 mi - 167,000 mi)

Verified

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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  • Report #1
    Visitor, 1990 Ford F-350, Automatic Transmission, 137,596 mi

    Tachometer jumps around, even going to zero, causing irratic down and up shifting of the automatic transmission. Very disconcerting.

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  • Report #2
    Visitor, 1991 Ford F-350, 2WD, 167,000 mi
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