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Home >> Mercury >> 1991 >> Capri Base, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> CEC Input Devices >> Engine Coolant Temperature (ECT) Sensor

Engine Coolant Temperature (ECT) Sensor

This sensor is located in the intake manifold and sends coolant temperature data to the ECA. The ECA uses this data in calculating fuel metering, idle speed control and canister purge valve operation.