S6 Quattro Sedan V10-5.2L (BXA) (2007)
Location of electrical connectors for oxygen sensors (G39) and (G285)
‹› On vehicle floor.
1. Heated Oxygen Sensor (HO2S) (G39) (in front of catalytic converter) black connection
2. Heated Oxygen Sensor (HO2S) 3 (G285) (in front of catalytic converter) brown connector
Location of electrical connectors for oxygen sensors (G108), (G130), (G131), (G286), (G287), (G288)
‹› At top of transmission.
1. Gray Oxygen Sensor (O2S) 4 Behind Three Way Catalytic Converter (TWC) (G288)
2. Black Oxygen Sensor (O2S) 3 Behind Three Way Catalytic Converter (TWC) (G287)
3. Brown for Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130)
4. Brown for Heated Oxygen Sensor (HO2S) 4 (G286) (in front of catalytic converter)
5. Black Heated Oxygen Sensor (HO2S) 2 (G108) (in front of catalytic converter)
6. Black Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131)