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Coolant Temperature Sensor

  1. Remove coolant temperature sensor located near thermostat housing (2-wire connector). Place end of sensor in water with terminal connector portion of sensor slightly above water.
  2. Gradually heat water and read resistance values across terminal connectors. See COOLANT TEMPERATURE SENSOR RESISTANCE  table. If resistance is not within specification, replace sensor.
    COOLANT TEMPERATURE SENSOR RESISTANCE

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