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Coolant Temperature Sensor

Connect ohmmeter leads to both terminals of sensor. Readings should be as specified for corresponding temperatures. See COOLANT TEMPERATURE SENSOR RESISTANCE table. If not, replace coolant temperature sensor.

COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C) Resistance (Ohms)
-4°F (-20°C) 14,600-17,800
68 (20) 2250-2650
176 (80) 290-350