Poor Acceleration; Stall Speed Low In 2 and 1, and In D In 1st and 2nd (A/T)

Poor acceleration; stall speed low in 2 and 1, and in D in 1st and 2nd

Diagnostic Procedure:

1. Shift solenoid valve E defective

2. Torque converter one-way clutch defective

3. Engine output low

4. Torque converter clutch piston defective

5. Lock-up shift valve defective

Also check for:

- Check for a stored DTC, and check for loose connectors.
- Inspect shift solenoid valve E for seizure, and the O-rings for wear and damage.
- Replace the torque converter.
- Check the lock-up shift valve in the regulator valve body for free movement, and check the lock-up shift valve spring for wear and damage.