( TF09E8ZA20300000000HAAT13 )
Fails emission test (MIL works OK, no DTCs set)

Diagnostic procedure
  1. Except KP (Argentina), KX models: Inspect the three way catalytic converter (TWC).
  2. Except KP (Argentina), KX models: Check the spark plugs.
  3. Test the fuel pressure.
  4. Except KP (Argentina), KX models: Test the injectors.
  5. Check the EVAP system.
  6. Troubleshoot the VTEC system oil pressure.
Also check for
  • Fuel contamination
  • Low compression
  • Broken cam chain