A4 Sedan V6-2.8L (AFC) (1996)
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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: Powertrain Management/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)