Repair Procedures
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
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.
- Exhaust Manifold Replacement - Left Side (4.3L) or Exhaust Manifold Replacement - Left Side (4.8L, 5.3L, 6.0L, and 6.2L) or Exhaust Manifold Replacement - Left Side (6.6L)
- Exhaust Manifold Replacement - Right Side (4.3L) or Exhaust Manifold Replacement - Right Side (4.8L, 5.3L, 6.0L, and 6.2L) or Exhaust Manifold Replacement - Right Side (6.6L)
- Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series - Cab/Chassis)
- Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series) or Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) or Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series - Cab/Chassis)
- Exhaust Leakage
- Restricted Exhaust