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Home >> Honda >> 2003 >> Pilot LX >> Repair and Diagnosis >> Engine Performance >> System >> Fuel & Emissions System >> System Descriptions >> PGM-FI System >> Engine Coolant Temperature (ECT) Sensor
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Engine Coolant Temperature (ECT) Sensor

The ECT sensor is a temperature dependent resistor (thermistor). The resistance of the thermistor decreases as the engine coolant temperature increases.

Fig 1: Identifying Engine Coolant Temperature Sensor
G01463978Courtesy of AMERICAN HONDA MOTOR CO., INC.