Poor Acceleration; In D, L and R; Stall Speed Low; Engine Does Not Rev to High RPM; Transmission Does Not Upshift

Poor acceleration; in D, L and R; stall speed low; engine does not rev to high rpm; transmission does not upshift under hard acceleration

Engine output low

Rocker arm defective

Restricted intake

Restricted exhaust

Torque converter clutch piston defective

Notes

Check the stall speed Stall Speed Test (5-Speed A/T).

Notes

Check the engine control system.

Notes

Check fuel pressure Testing and Inspection.

Notes

Check for exhaust restriction.

Notes

Check for intake restriction.

Notes

Check the rocker arm Rocker Arm And Shaft Inspection.

Notes

Replace the torque converter.