S4 Quattro Sedan V6-2.7L Turbo (APB) (2000)
Oxygen Sensor: Locations
Oxygen Sensor Behind Three Way Catalytic Converter (TWC) -G131-
Oxygen Sensor Behind TWC (2.7 Ltr. Engine) G131
Oxygen Sensor: Locations
Oxygen Sensor Behind Three Way Catalytic Converter (TWC) -G131-
Oxygen Sensor Behind TWC (2.7 Ltr. Engine) G131