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Home >> Hyundai >> 1991 >> Excel GS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis & Overhaul - Km175, Km176 & Km177 >> Trouble Shooting >> Symptom Diagnosis >> Harsh Shifting 2-3 Or 4-3

Harsh Shifting 2-3 Or 4-3

Sticking valve body. Defective front clutch piston. Defective or improperly adjusted TPS. Pulse generator "A" damaged, shorted or wire disconnected. Erratic ignition system signal to TCU. Defective TCU.