Poor Acceleration

High Stall RPM

1. Transmission fluid low.
2. Sticking valve.
3. Forward or Reverse clutch slipping.

Low Stall RPM

1. Engine performance poor.
2. One-way clutch or torque converter burned or broken.
3. Oil pump Contaminated, broken or seized.

Proper Stall RPM, Poor Acceleration In D, 2 Or 3

1. Control unit faulty.
2. Sticking valve.
3. High clutch or band seized.

Proper Stall RPM, Poor Acceleration In R

1. Sticking valve.
2. Band, high clutch or overrunning clutch seized.