A8 Quattro Sedan V8-4.2L (BVJ) (2008)
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Oxygen Sensor: Locations
Component Location Overview
Oxygen Sensors, Cylinder Bank 1 (Right)
1. O2S behind TWC
2. HO2S
Tightening specification: 55 Nm
Oxygen Sensors, Cylinder Bank 2 (Left)
1. HO2S 2
2. O2S 2 behind TWC
Tightening specification: 55 Nm