TT Coupe L4-2.0L Turbo (BPY) (2008)
Checking internal resistance
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Disconnect the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector - arrow -.
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Using a multimeter, check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector terminals
1 to 2 for resistance.
Specified value: 1.0 to 20.0 ohms (at approx. 20° C)
If the specification was not obtained:
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Replace the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) ( G130).
If the specification was obtained:
Checking voltage supply
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Crank the engine (engine may run).
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Using a multimeter, check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) ( G130) electrical harness connector terminal
1 to Ground (GND) for voltage.