Deactivation/Exhaust Valve Control Circuit Performance Bank 1

Where it lives

For P341C, the description names the valve as the part involved. The description of P341C puts it on bank 1.

Check these first

• A bank 1 exhaust valve control solenoid that moves but not as commanded
• A sticking or binding bank 1 exhaust valve
• Low or dirty engine oil affecting bank 1 exhaust valve control
• High resistance in the bank 1 exhaust valve control wiring
• Worn mechanical parts in the bank 1 exhaust valve control linkage

What to do next

1. Read the bank 1 exhaust valve control status on a scan tool
2. Compare the commanded and actual bank 1 exhaust valve control position
3. Check the engine oil level and condition
4. Test the bank 1 exhaust valve control circuit for added resistance
5. Replace the bank 1 exhaust valve control solenoid if the output stays skewed
6. Clear the code and retest

Look up another code