XT 4WD F4-1781cc 1.8L SOHC Turbo (MPFI) (1987)
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Coolant Temperature Sensor/Switch (For Computer): Description and Operation
Cut-away Of Thermometer
Installed on the intake manifold, the thermosensor monitors the temperature of the coolant and activates the temperature gage in the combination meter
and sends a signal to the ECM for the Feedback control system. Completely sealed in a threaded case with an integral hexagon nut, it consists of a
thermistor, lead wire, spring, and terminal plate.