Passat Wagon L4-2.0L Turbo (BPY) (2008)
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Checking primary voltage
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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
3 to 4 for voltage.
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Crank the engine.
Specified value: 0.4 to 0.5 V
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Switch the ignition off.
