Oxygen Sensor: Locations

Powertrain Component Views

Rear of the Engine (LU3 or LMF)




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

Oxygen Sensors (L20 or L96)




1 - X128 (Cutaway)
2 - Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1 Connector
3 - Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 2 Connector
4 - Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 2 Connector
5 - Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1 Connector