A6 Sedan V6-3.2L (BKH) (2007)
Oxygen Sensor: Service and Repair
Oxygen Sensor before Catalytic Converter, Bank 1
Oxygen Sensor before Catalytic Converter, Bank 1
Special tools, testers and auxiliary items required
‹› Ring spanner 7-piece set for oxygen sensor (3337)
Removing
-
Remove rear engine cover - arrows -.
-
Disconnect check valve - 1 - from air duct hose.
-
Remove air duct hose, thereby loosening hose clamp - 2 - and opening clips - arrows -.
-
Remove bolts - arrows -.