P1482 – Secondary Air Injection Valve Stuck Open (Nissan)

Description

The ECM detected a secondary air injection valve stuck open.

Want to confirm the real cause of this fault code?

A high-quality OBD2 scanner gives you live data, fuel trims, sensor readings and freeze-frame information — exactly what you need to verify the root cause of this code with confidence.

View Recommended Scanners

Symptoms

  • Stalling
  • Hesitation

Causes

  • Valve sticking
  • Vacuum leak
  • Carbon buildup

Diagnosis

  • Inspect valve
  • Check vacuum lines
  • Scan SAI data

Repair

  • Clean valve
  • Replace valve