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Engine Coolant Temperature Gauge Sending Unit

Remove engine coolant temperature gauge sending unit. Submerge tip of sending unit in container of water. Heat water to specified temperature while measuring sending unit resistance. See ENGINE COOLANT TEMPERATURE GAUGE SENDING UNIT RESISTANCE  table. If resistance is not as specified, replace engine coolant temperature gauge sending unit.

ENGINE COOLANT TEMPERATURE GAUGE SENDING UNIT RESISTANCE

Temperature °F (°C) Ohms
122 (50) 160-240
248 (120) 17.1-21.2
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