P1162 – Swirl Control Valve Vacuum Solenoid Low Input (Nissan)

Description

The ECM detected a low input signal from the swirl valve vacuum solenoid.

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Symptoms

  • Rough idle
  • Poor acceleration
  • Hesitation
  • Check engine light

Causes

  • Open circuit
  • Faulty solenoid
  • Connector corrosion
  • Wiring damage

Diagnosis

  • Check wiring continuity
  • Inspect solenoid
  • Check connectors
  • Scan live data

Repair

  • Repair wiring
  • Replace solenoid
  • Clean connectors

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