S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Before Catalytic Converter, Bank 1
Heated Oxygen Sensor before Catalytic Converter, Bank 1
Special tools, testers and auxiliary items required
‹› Ring Spanner 7-piece Set (3337)
Removing
‹› All cable ties unfastened or cut open on removal are to be re-attached in same position on installation.
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Remove rear engine cover - arrows -.
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Remove cover - 1 - on right side of engine compartment.
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Remove air hose - arrows -.