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Home >> Ford >> 1991 >> Probe GL, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 2.2L >> Engine Sensors & Switches >> Engine Coolant Temperature (ECT) Sensor

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.

ECT SENSOR RESISTANCE

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