P3402 OBD II Trouble Code Cylinder 1 Deactivation/Intake Valve Control Circuit Performance

How to quickly diagnose and repair, and causes of a P3402 electrical code which indicates a performance problem in cylinder 1 deactivation or intake valve control circuit.

Symptoms of P3402 OBD II Trouble Code

Common Causes of P3402 OBD II Trouble Code

Severity of P3402 OBD II Trouble Code