Operation CHARM
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2009
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S4 Quattro Cabriolet (8HE) V8-4.2L (BHF)
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Oxygen Sensor
Oxygen Sensor
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Testing and Inspection
Oxygen Sensors Before Catalytic Converter, Checking Heater
Oxygen Sensors After Catalytic Converter, Checking Heater
Heated Oxygen Sensors and Sensor Regulation Before Catalytic Converter, Checking
Oxygen Sensors and Sensor Regulation After Catalytic Converter, Checking
Service and Repair
Heated Oxygen Sensor Before Catalytic Converter, Bank 1
Heated Oxygen Sensor Before Catalytic Converter, Bank 2
Heated Oxygen Sensor After Catalytic Converter, Bank 1
Heated Oxygen Sensor After Catalytic Converter, Bank 2
