Oxygen Sensor: Locations

Component Locations Overview

Oxygen sensors before catalytic converter





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

Oxygen sensor locations





1 Heated Oxygen Sensor (HO2S) 3 (G285)
2 Oxygen Sensor (O2S) 4 Behind Three Way Catalytic Converter (TWC) (G288)
3 Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131)
4 Oxygen sensor (G39)

Oxygen Sensor (O2S) 3 Behind Three Way Catalytic Converter (TWC) (G287) - arrow -





Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) - arrow -