FixVault

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)
G91E08164Courtesy 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