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2015 KIA FORTE
1.8L I4•FWD•AUTOMATIC•gas•G4NB
1 active safety recall on this vehicle — view recalls🏆Sponsored by Simon-Olivier Ricci
Repairs401Labor496Torque3402Fluid7DTC1080Battery1Maintenance0Recalls1
P0410moderate severityPowertrain

Secondary Air Injection System

on 2015 Kia Forte 1.8L I4 · FWD

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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