P1482 – Secondary Air Injection Valve Stuck Open (Nissan)

Description

The ECM detected a secondary air injection valve stuck open.

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Symptoms

  • Stalling
  • Hesitation

Causes

  • Valve sticking
  • Vacuum leak
  • Carbon buildup

Diagnosis

  • Inspect valve
  • Check vacuum lines
  • Scan SAI data

Repair

  • Clean valve
  • Replace valve