Engine Coolant Temperature (ECT) Sensor

WARNING: This page is about a different car, the 2012 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Drain the engine cooling system prior to removal of the ECT sensor.

NOTE: Fill and bleed the engine cooling system after installing the ECT sensor.

NOTE: The ignition coil must be removed to access the ECT sensor. For additional information, refer to ENGINE IGNITION - 1.6L .

Fig 1: Identifying Engine Coolant Temperature Sensor Related Components

Courtesy of FORD MOTOR CO.

Item	Part Number	Description
1	-	Engine Coolant Temperature (ECT) sensor electrical connector (part of 12B581)
2	W703355	ECT sensor retaining clip
3	12A648	ECT sensor
	-	Engine Coolant Temperature (ECT) sensor O-ring seal (part of 12A648)