GTI L4-2.0L Turbo (BPY) (2007)
Oxygen Sensor: Testing and Inspection
Oxygen Sensor Behind Three Way Catalytic Converter G130 and Oxygen Sensor Regulation Behind
Catalytic Converter, Checking
Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 And Oxygen Sensor Regulation Behind Catalytic Converter,
Checking
NOTE:
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Vehicle must be raised before the electrical connector for the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 is
accessible.
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When servicing terminals in the electrical harness connector of the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130,
use only gold-plated terminals.
Special tools, testers and auxiliary items required
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Multimeter.
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Wiring diagram.
Test requirements
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The Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 fuse OK.
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Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 OK. See: Oxygen Sensor (O2S) 1 (Behind Three Way
Catalytic Converter (TWC)) Heater Z29, Checking
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Battery voltage at least 12.5 volts.
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All electrical consumers such as, lights and rear window defroster, switched off.
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Vehicles with automatic transmission, selector lever in position "P" or "N".
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A/C switched off.
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Ground (GND) connections between engine/transmission/chassis OK.
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Exhaust system between catalytic converter and cylinder head properly sealed.
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Coolant Temperature at least 80 degrees C.
Function test
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Perform a function test.
If the specified values are not obtained:
Procedure
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Remove the right vehicle floor cover -arrows-.