P1409 – EGR Vacuum Control Solenoid Fault (Nissan)

Description

The ECM detected a malfunction in the EGR vacuum control solenoid.

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Symptoms

  • Hesitation
  • Poor acceleration

Causes

  • Solenoid failure
  • Vacuum leak
  • Wiring issue

Diagnosis

  • Test solenoid
  • Inspect vacuum lines
  • Check wiring

Repair

  • Replace solenoid
  • Repair vacuum leak