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Home >> Mitsubishi >> 1988 >> Starion ESI-R, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - ECI System >> Operation >> Data Sensors >> Coolant Temperature Sensor (CTS)
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Coolant Temperature Sensor (CTS)

The CTS is a resistor-based sensor which converts coolant temperature to an electrical signal for the ECU. The ECU uses coolant temperature information to provide optimum fuel enrichment when engine is cold.