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Coolant Temperature Sensor Testing

Disconnect coolant temperature sensor connector. Connect ohmmeter leads between sensor terminals. See COOLANT TEMPERATURE SENSOR RESISTANCE table.

COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature Ohms
14°F (-10°C) 7000-11,500
68°F (20°C) 2000-3000
122°F (50°C) 700-1000
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