Repair Procedures
WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
A new converter with less than 100 miles on it may set DTC P0420 or P0430 due to out-gassing of the internal matting. Operating the vehicle at highway speeds for approximately 1 hour may correct the condition.
- Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series - Cab/Chassis) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series)
- Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series - Cab/Chassis) or Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) or Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series)