Audi Cars 1999-05

Oxygen Sensor

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The Oxygen Sensor (OS2) is located in the exhaust system, behind the three-way catalytic converter. It is integral with the heater .

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Fig. Oxygen Sensor location for the 1.8L engine

The Oxygen Sensor (OS2) is located in the front exhaust piping, behind the three-way catalytic converter. It is integral with the heater .

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Fig. Oxygen Sensor location for the 2.8L engine

The Oxygen Sensor (OS2) is located in the front exhaust piping, behind the three-way catalytic converter. It is integral with the heater .

Click image to see an enlarged view

Fig. Oxygen Sensor location for the 2.8L engine

The Oxygen Sensor (OS2) is located in the front exhaust piping, behind the three-way catalytic converter. It is integral with the heater .

Click image to see an enlarged view

Fig. Oxygen Sensor location for the 2.7L engine

The Oxygen Sensor (OS2) is located in the exhaust system, behind the three-way catalytic converter. It is integral with the heater .

Click image to see an enlarged view

Fig. Oxygen Sensor location for the 1.8L engine

The Oxygen Sensor (OS2) is located in the catalytic converter.

Click image to see an enlarged view

Fig. Oxygen Sensor location for the 3.2L engine

3.2L Engine



The Oxygen Sensor (OS2) is located in the catalytic converter.

Click image to see an enlarged view

Fig. Oxygen Sensor location for the 3.2L engine

 
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