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Home >> American Motors >> 1983 >> Alliance Base, 1.4 D, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - TBI >> Operation >> Coolant Temperature Sensor

Coolant Temperature Sensor

The coolant temperature sensor is installed in the engine water jacket and provides a voltage signal to the ECU. The ECU determines cold engine operation from this signal and responds by enriching the fuel mixture.