Oxygen Sensor: Locations

Component Locations





I - Primary catalytic converter for cylinders 1, 2, 3; also referred to as -exhaust bank 1-.

II - Primary catalytic converter for cylinders 4, 5, 6; also referred to as -exhaust bank 2-.

III - Primary catalytic converter for cylinders 7, 8, 9; also referred to as -exhaust bank 3-.

IV - Primary catalytic converter for cylinders 10, 11, 12; also referred to as -exhaust bank 4-.

1.1 - Heated Oxygen Sensor (HO2S) (-G39-) with oxygen sensor heater; before catalytic converter

• Exhaust bank 1 (cylinder 1, 2, 3)

1.2 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (-G130-) with oxygen sensor heater

• Exhaust bank 1 (cylinder 1, 2, 3)

2.1 - Heated Oxygen Sensor (HO2S) 2 (-G108-) with oxygen sensor heater; before catalytic converter

• Exhaust bank 2 (cylinder 4, 5, 6)

2.2 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (-G131-) with oxygen sensor heater

• Exhaust bank 2 (cylinder 4, 5, 6)

3.1 - Heated Oxygen Sensor (HO2S) 3 (-G285-) with oxygen sensor heater; before catalytic converter

• Exhaust bank 3 (cylinder 7, 8, 9)

3.2 - Oxygen Sensor (O2S) 3 Behind Three Way Catalytic Converter (TWC) (-G287-) with oxygen sensor heater

• Exhaust bank 3 (cylinder 7, 8, 9)

4.1 - Heated Oxygen Sensor (HO2S) 4 (-G286-) with oxygen sensor heater; before catalytic converter

• Exhaust bank 4 (cylinder 10, 11, 12)

4.2 - Oxygen Sensor (O2S) 4 Behind Three Way Catalytic Converter (TWC) (-G288-) with oxygen sensor heater; after catalytic converter

• Exhaust bank 4 (cylinder 10, 11, 12)