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Sensor Resistance Test

  1. Remove Coolant Temperature Sensor (CTS) from engine. See COOLANT TEMPERATURE SENSOR LOCATION  . Place sending unit in 158°F (70°C) water. Check sensor resistance using ohmmeter.
  2. CTS resistance should be 90-117 ohms. If CTS resistance is okay, go to GAUGE RESISTANCE TEST. Replace CTS if resistance is not as specified.
COOLANT TEMPERATURE SENSOR LOCATION

Model Location
Eclipse Intake Manifold
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