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Home >> Plymouth >> 1987 >> Reliant L4-135 2.2L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Coolant Temperature Sensor/Switch (For Computer) >> Description and Operation >> Engine Coolant Temperature Sensor Description >> With SMEC/SBEC
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With SMEC/SBEC



The coolant temperature sensor, mounted near the thermostat housing, monitors coolant temperature and provides engine operating temperature data to the SMEC or SBEC. The sensor, which is a variable resistor, is also used to turn on the radiator fan.

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