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Home >> Ford >> 2021 >> Edge ST-Line, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Engine Controls - Description & Operation (Diesel)) >> Engine Control Components >> Engine Coolant Temperature (ECT) Sensor >> Notes
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Engine Coolant Temperature (ECT) Sensor: Notes

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The ECT sensor is a thermistor device in which resistance changes with temperature. The electrical resistance of a thermistor decreases as the temperature increases, and resistance increases as the temperature decreases. The varying resistance affects the voltage drop across the sensor terminals and provides electrical signals to the PCM corresponding to temperature.

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