Poor Acceleration D, S, & R; Stall Spd Low; Engine Doesn't Rev to High RPM; Trans Doesn't Upshift Under Hard Accelleration

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

Diagnostic Procedure:

1. Engine output low

2. VTEC rocker arms defective

3. Restricted intake

4. Restricted exhaust

5. Torque converter clutch piston defective

Also check for:

- Check the stall speed.
- Check the engine control system.
- Check fuel pressure. Testing and Inspection
- Check for exhaust restriction.
- Check for intake restriction.
- Check the VTEC rocker arms. VTEC Rocker Arm Test
- Replace the torque converter.