audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Rough Road Sensor > < Checking Oxygen Sensor Heating|Page 4571
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Oxygen Sensor: Service and Repair

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Disconnect heated oxygen sensor harness connector Component locations, refer to "Component Overview - II" See: Fuel Delivery and Air
Induction/Locations ).

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Open tie wrap.

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Remove heated oxygen sensor.

When installing a heated oxygen sensor, note the following:

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Install tie wraps in original locations, to prevent sensor wiring from contacting exhaust system.

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Coat oxygen sensor threads with anti-seize compound but do not allow compound to enter sensor slots.
Tightening torque: 50 Nm (37 ft lb)

Rough Road Sensor > < Checking Oxygen Sensor Heating|Page 4571