P0410 Secondary Air Injection System

Powertrain Severity: Low Generic OBD-II

Fault in the secondary air injection system used during cold starts.

Common causes

  • Failed air pump
  • Faulty check valve
  • Blown fuse or relay

Symptoms

  • Check engine light
  • Noise from the air pump at cold start

What to check

  1. Check pump operation at cold start
  2. Check fuse and relay
  3. Inspect check valve and hoses

Manufacturers may add their own detail to generic codes. If your vehicle shows a different description for P0410, follow the service information for that make and model.

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