Engine Coolant Temperature (ECT) Sensor

Disconnect ECT sensor wiring harness connector. Using DVOM, measure resistance between sensor terminals. See ECT SENSOR RESISTANCE . Replace sensor if resistance is not as specified.

Fig 1: Distributor Wiring Harness Connector Terminal ID (2.2L Turbo)

Courtesy of FORD MOTOR CO.

ECT SENSOR RESISTANCE

Temperature °F (°C)	Ohms
68 (20)	2200-2700
104 (40)	1000-1300
140 (60)	500-650
176 (80)	290-350