Diesel Data: Automotive Repair

Harsh Upshifts

Symptom:
* HARSH UPSHIFTS

POSSIBLE CAUSES
ENGINE PERFORMANCE
1) ENGINE COOLANT TEMPERATURE TOO LOW
2) STICKY TPS
3) STUCK IAC MOTOR
FAILED (BURNT) OIL
WORN AND FAULTY CLUTCHES
CLUTCH OR ACCUMULATOR SEAL LEAKAGE