Engine Coolant Temperature (ECT) Sensor

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Engine Coolant Temperature (ECT) Sensor Components

Courtesy of FORD MOTOR CO.

Drain the cooling system. For additional information, refer to ENGINE COOLING .
Disconnect the engine coolant temperature (ECT) sensor electrical connector.
Remove the ECT sensor.
- Pull upward on the locking tab.
- Rotate the sensor counterclockwise and remove.
  
  Fig 2: Removing ECT Sensor
  Courtesy of FORD MOTOR CO.
To install, reverse the removal procedure.