Cylinder 7 Deactivation/Intake Valve Control Circuit Low

Where it lives

For P3451, the valve sits on the circuit this code reports. The description of P3451 puts it on cylinder 7.

Check these first

• A short to ground on the cylinder 7 intake valve control circuit
• High resistance in the cylinder 7 intake valve control wiring
• A failed cylinder 7 intake valve control solenoid
• Low supply voltage at the cylinder 7 intake valve control circuit
• A corroded cylinder 7 intake valve control connector

What to do next

1. Read the cylinder 7 intake valve control status on a scan tool
2. Command the cylinder 7 intake valve control solenoid on and off
3. Test the cylinder 7 intake valve control circuit for a short to ground
4. Measure the cylinder 7 intake valve control solenoid resistance
5. Replace the cylinder 7 intake valve control solenoid if the circuit tests good
6. Clear the code and retest

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