RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
Oxygen Sensor: Service and Repair
Oxygen Sensors Assembly Overview
Oxygen Sensors Assembly Overview
Bracket for Connectors on Transmission
1. To Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130)
2. to Heated Oxygen Sensor (HO2S) (G39)(in front of catalytic converter)
3. To Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131)
4. to Heated Oxygen Sensor (HO2S) 2 (G108) (in front of catalytic converter)
Oxygen Sensors Location, Cylinder Bank 1 (Right)
1. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130)
2. Heated Oxygen Sensor (HO2S) (G39) (before catalytic converter)
Oxygen Sensors Location, Cylinder Bank 2 (Left)