Audi Cars 1999-05

Heated Oxygen Sensor (H02S)

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The Heated Oxygen Sensor is located on the exhaust system, in front of the three-way catalytic converter. It is integral with the Oxygen Sensor Heater.

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Fig. Heated Oxygen sensor location for the 1.8L engine

The Heated Oxygen Sensor is located in the engine compartment on the right side, behind the cylinder head. It is integral with the Oxygen Sensor Heater.

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Fig. Heated Oxygen sensor location for the 2.8L engine

The Heated Oxygen Sensor is located behind the engine in on the right side in the exhaust pipe.

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Fig. Heated Oxygen sensor location for the 3.0L engine

The Heated Oxygen Sensor is located in the engine compartment on the right side, behind the cylinder head. It is integral with the Oxygen Sensor Heater.

Click image to see an enlarged view

Fig. Heated Oxygen sensor location for the 2.8L engine

The Heated Oxygen Sensor is located behind the engine in on the right side in the exhaust pipe.

Click image to see an enlarged view

Fig. Heated Oxygen sensor location for the 3.0L engine

The Heated Oxygen Sensor is located in the engine compartment on the right side, behind the cylinder head. It is integral with the Oxygen Sensor Heater.

Click image to see an enlarged view

Fig. Heated Oxygen sensor location for the 2.7L engine

The Heated Oxygen Sensor is located on the exhaust system, in front of the three-way catalytic converter. It is integral with the Oxygen Sensor Heater.

Click image to see an enlarged view

Fig. Heated Oxygen sensor location for the 1.8L engine

The Heated Oxygen Sensor is located behind the engine in the left front exhaust pipe. It is integral with the Oxygen Sensor Heater.

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Fig. Heated Oxygen sensor location for the 3.2L engine

3.0L Engine



The Heated Oxygen Sensor is located behind the engine in on the right side in the exhaust pipe.

Click image to see an enlarged view

Fig. Heated Oxygen sensor location for the 3.0L engine

3.2L Engine



The Heated Oxygen Sensor is located behind the engine in the left front exhaust pipe. It is integral with the Oxygen Sensor Heater.

Click image to see an enlarged view

Fig. Heated Oxygen sensor location for the 3.2L engine

 
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