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2002 VOLVO S80
2.9L I6•AWD•AUTOMATIC•gas•B6294S
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor1005Torque6617Fluid14DTC1718Battery2Maintenance0Recalls5
P0410moderate severityPowertrain

Secondary Air Injection System

on 2002 Volvo S80 2.9L I6 · AWD

What this code means

Malfunction in the secondary air injection (AIR) system. This system pumps fresh air into the exhaust to reduce cold-start emissions.

Symptoms

  • Check Engine Light
  • Failed emissions test
  • Unusual noise from AIR pump on startup

Common causes

  • Faulty AIR pump
  • Check valve failure
  • AIR pump relay failure
  • Hose deterioration
  • Blocked passages

Diagnostic steps

  1. Test AIR pump operation
  2. Check AIR pump relay
  3. Inspect check valves
  4. Check for blocked passages
  5. Verify air is flowing into exhaust manifold

Repair notes

Replace AIR pump or check valve. This system only runs briefly during cold start on most vehicles.

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