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Home >> Mitsubishi >> 2002 >> Lancer ES, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Engine Coolant Temperature (ECT) Sensor
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Engine Coolant Temperature (ECT) Sensor

ECT sensor converts coolant temperature to electrical signal for use by ECM/PCM. ECT input is used for fuel injection, idle air and ignition timing control by ECM/PCM. ECM/PCM can not go into closed loop fuel system management until ECT input indicates engine is warm enough.

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