ECT sensor monitors engine coolant temperature. This sensor is mounted in thermostat housing. Coolant temperature information is used by PCM to slightly enrich or lean air/fuel mixture, adjust idle speed and control cooling fans as necessary, according to engine temperature.
Home/Chrysler/LHS/Chrysler LHS I (1993-1997)/Repair manual/Theory & Operation/Engine Coolant Temperature (ECT) Sensor
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