P1349 – VVT Oil Control Valve Fault (Nissan)

Description

The ECM detected a malfunction in the VVT oil control valve.

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Symptoms

  • Poor acceleration
  • Rough idle

Causes

  • Valve sticking
  • Oil contamination
  • Wiring issue

Diagnosis

  • Check oil condition
  • Test OCV
  • Inspect wiring

Repair

  • Replace OCV
  • Change oil