A Rocker Arm Actuator System Performance/Stuck Off Bank 2

Where it lives

For P2656, the part to look at first is the actuator named here. The description of P2656 puts it on bank 2.

Check these first

• A bank 2 A rocker arm actuator stuck in the off position
• Sludged oil blocking the bank 2 A actuator oil passages
• Low engine oil pressure at the bank 2 A actuator
• A failed bank 2 A rocker arm actuator solenoid

What to do next

1. Command the bank 2 A rocker arm actuator on a scan tool
2. Confirm the actuator moves off its home position
3. Check engine oil pressure and oil condition
4. Inspect the bank 2 A actuator oil passages for sludge
5. Replace the bank 2 A rocker arm actuator if it stays off
6. Clear the code and retest

Look up another code