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Home >> Buick >> 2011 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transmission - 4T80-E - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Loss of Power

Loss of Power

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Loss of Power

Checks Causes
1-2 and 2-3 Shift Solenoid Valves 2nd gear starts
Engine Performance Fuel and or exhaust system concern
TCC System TCC Stuck ON or dragging
Torque Converter Debris
Transmission Low fluid
Turbine Shaft Bushing damage