TT Quattro Coupe V6-3.2L (CBRA) (2008)
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Oxygen Sensor: Service and Repair
Oxygen Sensors Before Catalytic Converter
Oxygen Sensors Before Catalytic Converter
Special tools, testers and auxiliary items required
‹› Ring spanner 7-piece set for oxygen sensor (3337 )
Removing
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Remove air filter element => [ Air Filter Insert ] See: Fuel Delivery and Air Induction/Air Cleaner Housing/Air Filter Element/Service and
Repair/Air Filter Insert.
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Remove air filter housing => [ Air Filter Housing ] See: Fuel Delivery and Air Induction/Air Cleaner Housing/Service and Repair.
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Disconnect affected electrical connector.
1. Heated Oxygen Sensor (HO2S) 2 (G108) before catalytic converter with Oxygen Sensor (O2S) 2 Heater ( Z28)
2. Heated Oxygen Sensor (HO2S) (G39) before catalytic converter with Oxygen Sensor (O2S) Heater (Z19 )
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Free up electrical wire to affected oxygen sensor.
‹› Ignore - 3 -.
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Remove affected oxygen sensor with open end wrench (3337/1).