Audi Cars 1999-05

Engine Coolant Temperature (ECT) Sensor

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The Engine Coolant Temperature Sensor is located in the coolant flange to the left of the cylinder head and is integral with the ECT sensor.

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Fig. Engine Coolant Temperature sensor location for the 1.8L Engines

The Engine Coolant Temperature Sensor is located in the coolant pipe, below the air intake pipe and behind the right cylinder head and is integral with the ECT sensor.

Click image to see an enlarged view

Fig. Engine Coolant Temperature sensor location for the 3.0L engines

The Engine Coolant Temperature Sensor is located on the back of the right cylinder head and is integral with the ECT sensor.

Click image to see an enlarged view

Fig. Engine Coolant Temperature sensor location for the 4.2L engine

The Engine Coolant Temperature Sensor is located in the coolant pipe, below the air intake pipe and behind the right cylinder head and is integral with the ECT sensor.

Click image to see an enlarged view

Fig. Engine Coolant Temperature sensor location for the 3.0L engines

The Engine Coolant Temperature Sensor is located in the coolant pipe, behind the right cylinder head and is integral with the ECT sensor.

Click image to see an enlarged view

Fig. Engine Coolant Temperature sensor location for the 2.7L engines

The Engine Coolant Temperature Sensor is located on the back of the right cylinder head and is integral with the ECT sensor.

Click image to see an enlarged view

Fig. Engine Coolant Temperature sensor location for the 4.2L engine

The Engine Coolant Temperature Sensor is located in the coolant flange to the left of the cylinder head and is integral with the ECT sensor.

Click image to see an enlarged view

Fig. Engine Coolant Temperature sensor location for the 1.8L engine

The Engine Coolant Temperature Sensor is located in the coolant flange to the left of the cylinder head and is integral with the ECT sensor.

Click image to see an enlarged view

Fig. Engine Coolant Temperature sensor location for the 3.2L engine

3.0L Engine



The Engine Coolant Temperature Sensor is located in the coolant pipe, below the air intake pipe and behind the right cylinder head and is integral with the ECT sensor.

Click image to see an enlarged view

Fig. Engine Coolant Temperature sensor location for the 3.0L engine

3.2L Engine



The Engine Coolant Temperature Sensor is located in the coolant flange to the left of the cylinder head and is integral with the ECT sensor.

Click image to see an enlarged view

Fig. Engine Coolant Temperature sensor location for the 3.2L engine

 
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