S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Component Location: Cylinder Bank 2 (left) Oxygen Sensors
1. Heated Oxygen Sensor (HO2S) 2 (G108)
2. Heated Oxygen Sensor (HO2S) 2 (G108) connector
3. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) connector
4. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131)
Removing and installing. Refer to => [ Heated Oxygen Sensor 2 in Front of Catalytic Converter and Oxygen Sensor 2 Behind Three Way Catalytic
Converter, Cylinder Bank 2 ] See: Heated Oxygen Sensor 2 in Front of Catalytic Converter and Oxygen Sensor 2 Behind Three Way Catalytic
Converter, Cylinder Bank.