Engine Coolant Temperature (ECT) Sensor Inspection
ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTIONWarm up sender gauge (2). Thus make sure its resistance is decreased with increase of its temperature.
ECT sender gauge specifications
136 - 216 Ohms at 50 °C (122 °F)
16.4 - 19.4 Ohms at 120 °C (248 °F)