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Oxygen Sensors Assembly Overview






Oxygen Sensors Assembly Overview





I - Primary catalytic converter for cylinder 1, 2, 3 (exhaust bank I)

II - Primary catalytic converter for cylinders 4, 5 (exhaust bank II)

III - Primary catalytic converter for cylinder 6, 7, 8 (exhaust bank III)

IV - Primary catalytic converter for cylinders 9, 10 (exhaust bank IV)

1 - Oxygen Sensor (O2S) 3 Behind Three Way Catalytic Converter (TWC) (G287) with Oxygen Sensor (O2S) 3 (behind Three Way Catalytic Converter (TWC)) Heater (Z64)

Exhaust bank III (cylinder 6, 7, 8)

Location of electrical connector => [ Location of electrical connectors for oxygen sensors and ]

Removing and installing, refer to => [ Oxygen Sensors, G130 and G287 ] Oxygen Sensors, G130 and G287

55 Nm

2 - Heated Oxygen Sensor (HO2S) 3 (G285) before catalytic converter with Oxygen Sensor (O2S) 3 Heater (Z62)

Exhaust bank III (cylinder 6, 7, 8)

Location of electrical connector => [ Location of electrical connectors for oxygen sensors , , and ]

Removing and installing, refer to => [ Oxygen Sensors, G39, G131, G285 and G288 ] Oxygen Sensors, G39, G131, G285 and G288

55 Nm

3 - Oxygen Sensor (O2S) 4 Behind Three Way Catalytic Converter (TWC) (G288) with Oxygen Sensor (O2S) 4 (behind Three Way Catalytic Converter (TWC)) Heater (Z65)

Exhaust bank IV (cylinder 9, 10)

Location of electrical connector => [ Location of electrical connectors for oxygen sensors , , and ]

Removing and installing, refer to => [ Oxygen Sensors, G39, G131, G285 and G288 ] Oxygen Sensors, G39, G131, G285 and G288

55 Nm

4 - Heated Oxygen Sensor (HO2S) 4 (G286) before catalytic converter with Oxygen Sensor (O2S) 4 Heater (Z63)

Exhaust bank IV (cylinder 9, 10)

Location of electrical connector => [ Location of electrical connectors for oxygen sensors and ]

Removing and installing, refer to => [ Oxygen Sensors, G108 and G286 ] Oxygen Sensors, G108 and G286

55 Nm

5 - Heated Oxygen Sensor (HO2S) 2 (G108) before catalytic converter with Oxygen Sensor (O2S) 2 Heater (Z28)

Exhaust bank II (cylinder 4, 5)

Location of electrical connector => [ Location of electrical connectors for oxygen sensors and ]

Removing and installing, refer to => [ Oxygen Sensors, G108 and G286 ] Oxygen Sensors, G108 and G286

55 Nm

6 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) with Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater (Z30)

Exhaust bank II (cylinder 4, 5)

Location of electrical connector => [ Location of electrical connectors for oxygen sensors , , and ]

Removing and installing, refer to => [ Oxygen Sensors, G39, G131, G285 and G288 ] Oxygen Sensors, G39, G131, G285 and G288

55 Nm

7 - Heated Oxygen Sensor (HO2S) (G39) before catalytic converter with Oxygen Sensor (O2S) Heater (Z19)

Exhaust bank I (cylinder 1, 2, 3)

Location of electrical connector => [ Location of electrical connectors for oxygen sensors , , and ]

Removing and installing, refer to => [ Oxygen Sensors, G39, G131, G285 and G288 ] Oxygen Sensors, G39, G131, G285 and G288

55 Nm

8 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) with Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater (Z29)

Exhaust bank I (cylinder 1, 2, 3)

Location of electrical connector => [ Location of electrical connectors for oxygen sensors and ]

Removing and installing, refer to => [ Oxygen Sensors, G130 and G287 ] Oxygen Sensors, G130 and G287

55 Nm

Location of electrical connectors for oxygen sensors (G288), (G285), (G39) and (G131)





1 Brown connector for Oxygen Sensor (O2S) 4 Behind Three Way Catalytic Converter (TWC) (G288)
2 Brown connector for Heated Oxygen Sensor (HO2S) 3 (G285) (in front of catalytic converter)
3 Black connector fro Heated Oxygen Sensor (HO2S) (G39) (in front of catalytic converter)
4 Black connector for Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131)

Location of electrical connectors for oxygen sensors (G286) and (G108)





1 Black connector for Heated Oxygen Sensor (HO2S) 2 (G108) with Oxygen Sensor (O2S) Heater 2 (Z28) in front of catalytic converter
2 Brown connector for Heated Oxygen Sensor (HO2S) 4 (G286) with Oxygen Sensor (O2S) Heater 4 (Z63) in front of catalytic converter

Location of electrical connectors for oxygen sensors (G287) and (G130)





1. Brown connector for Oxygen Sensor (O2S) 3 Behind Three Way Catalytic Converter (TWC) (G287)

2. Black connector for Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130)