Heated Oxygen Sensor Replacement for Audi S4 Quattro Cabriolet - Bank 1
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Remove cover - 1 - on right side of engine compartment.
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Remove air hose - arrows -.
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Take connectors - 1 - to - 4 - out of holder on right side of bulkhead.
Audi S4 Quattro Cabriolet V8-42L Workshop Service and Repair Manuals
Heated Oxygen Sensor Before Catalytic Converter, Bank 1|Page 3678 >
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