Navigator 4WD V8-5.4L SOHC VIN L (1998)
Coolant Temperature Sensor/Switch (For Computer): Description and Operation
Cylinder Head Temperature Sensor (CHT)
Engine Views
"Ford provides conflicting information regarding usage of an Engine Coolant Temperature (ECT) sensor for this vehicle/engine. While service and
repair information indicates use of a Cylinder Head Temperature (CHT) sensor, the diagnostic procedures and wiring diagrams indicate a coolant
temperature sensor is used on this model/engine combination."
