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Coolant Temperature Sensor Inspection

Remove sensor and immerse in water. Using ohmmeter, check resistance while increasing water temperature. See COOLANT TEMPERATURE RESISTANCE SPECIFICATIONS. Replace sensor if resistance measured is not within specification.

COOLANT TEMPERATURE RESISTANCE SPECIFICATIONS

Water Temperature °F (°C) Ohms
32 (0) 5900
68 (20) 2500
104 (40) 1100
176 (80) 300