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Oxygen Sensor Heater and Oxygen Sensor 2 Heater, Checking|Page 3819 > < Oxygen Sensor Heater and Oxygen Sensor 2 Heater, Checking|Page 3817

Q7 Quattro V8-4.2L (BAR) (2008)

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Checking internal resistance

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Disconnect the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector -  2 - or the Oxygen
Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) electrical harness connector -  4 -.

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Using a multimeter, check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) terminals 1 to 2 for resistance.

Oxygen Sensor Heater and Oxygen Sensor 2 Heater, Checking|Page 3819 > < Oxygen Sensor Heater and Oxygen Sensor 2 Heater, Checking|Page 3817