P1345 – VVT System Over‑Advanced Bank 1 (Nissan)

Description

The ECM detected an over‑advanced VVT condition on Bank 1.

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Symptoms

  • Rough idle
  • Poor drivability

Causes

  • Stuck solenoid
  • Oil pressure issue
  • Timing fault

Diagnosis

  • Check oil pressure
  • Test solenoid
  • Inspect timing

Repair

  • Replace solenoid
  • Correct timing