Speedometer Jumping
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Speedometer Jumping
1994 F250
7.3 Turbo IDI
255k miles
2wd
5spd manual
Problem: Speedometer works up to 35mph then needle becomes erratic. Within minutes, speedometer and odometer stop working entirely. All other gauges continue to operate normally.
Solutions I’ve tried: Replaced speed sensor on rear axle with generic Dorman brand - no change. Replaced speed sensor with OEM - no change. Replaced rear axle gear oil and cleaned gears throughly before refilling with Ford recommended oil/cleaned OEM sensor - no change.
Am I just screwed? I’m selling truck and REALLY don’t want to spend $$ anymore. Drained nearly 8k in the last 3yrs, no exaggeration...
7.3 Turbo IDI
255k miles
2wd
5spd manual
Problem: Speedometer works up to 35mph then needle becomes erratic. Within minutes, speedometer and odometer stop working entirely. All other gauges continue to operate normally.
Solutions I’ve tried: Replaced speed sensor on rear axle with generic Dorman brand - no change. Replaced speed sensor with OEM - no change. Replaced rear axle gear oil and cleaned gears throughly before refilling with Ford recommended oil/cleaned OEM sensor - no change.
Am I just screwed? I’m selling truck and REALLY don’t want to spend $$ anymore. Drained nearly 8k in the last 3yrs, no exaggeration...
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