Express 1500 AWD V8-5.3L (2008)
Oxygen Sensor: Locations
Wheels/Vehicle Underbody Component Views
Rear of the Engine (4.3L/5.3L)
1 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
2 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
3 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
4 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
5 - Park/Neutral Position (PNP) Switch