Cylinder 3 Deactivation/Intake Valve Control Circuit Performance

Where it lives

For P3418, the part to look at first is the valve named here. The description of P3418 puts it on cylinder 3.

Check these first

• A cylinder 3 intake valve control solenoid that moves but not as commanded
• A sticking or binding cylinder 3 intake valve
• Low or dirty engine oil affecting cylinder 3 intake valve control
• High resistance in the cylinder 3 intake valve control wiring
• Worn mechanical parts in the cylinder 3 intake valve control linkage

What to do next

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

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