Repair Procedures

IMPORTANT: A new converter with less than 100 miles on it may set P0420 due to out-gassing of the internal matting. Operating the vehicle at highway speeds for approximately 1 hour may correct the condition.

Catalytic Converter Replacement (LNF) or Catalytic Converter Replacement (LE5)
Heated Oxygen Sensor 2 Replacement
Exhaust Leakage
Restricted Exhaust