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Home >> Hyundai >> 2002 >> XG350 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor

The Engine Coolant Temperature (ECT) sensor is located on thermostat housing. The ECT sensor is a thermistor whose resistance decreases as engine coolant temperature increases. The ECM uses ECT sensor information for controlling fuel enrichment when engine is cold.