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Home >> Audi >> 2004 >> A4 Sedan (8E2) L4-1.8L Turbo (AMB) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Locations
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Oxygen Sensor: Locations



Overview Of Component Locations







2 - Heated Oxygen Sensor (HO2S) -G39- before catalytic converter, 55 Nm
- Constant oxygen sensor
- Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC)
- Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC)
3 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-, 55 Nm
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC)
- Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC).
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