Operation CHARM
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A6 Sedan (4G2) L4-2.0L Turbo (CAEB)
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Oxygen Sensor
Oxygen Sensor
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Description and Operation
Testing and Inspection
Heated Oxygen Sensor HO2S Before Three Way Catalytic Converter, Checking
Oxygen Sensor O2S Behind Three Way Catalytic Converter, Checking
Oxygen Sensor O2S Heater Before Three Way Catalytic Converter, Checking
Oxygen Sensor O2S Heater Behind Three Way Catalytic Converter, Checking
Service and Repair
Heated Oxygen Sensor (G39) and Oxygen Sensor Heater (Z19)
Oxygen Sensor After Three Way Catalytic Converter (G130) and Heater For Oxygen Sensor 1 After Catalytic Converter (Z29)
