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Home >> Ford >> 1988 >> Festiva L >> Repair and Diagnosis >> Engine Performance >> System >> EFC System >> Operation >> Coolant Temperature Sensor

Coolant Temperature Sensor

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Mounted in the engine coolant passage, sensor provides electrical signals to ECA reflecting engine coolant temperature. Information is used by the ECA in controlling ABCV, EGR, pulse air, up-shift indicator light and EFE heater relay.