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Federal Emissions


Engine Coolant Temperature Sensor Location:





LOCATION
The coolant temperature sensor is located in the coolant passage of the intake manifold.

Coolant Temperature Sensor:





CONSTRUCTION
The Coolant Temperature Sensor is a thermistor type sensor.

Engine Coolant Temperature Sensor (ECT) Circuit:





OPERATION
As engine temperature increases, sensor resistance decreases. The ECU monitors engine temperature by the sensor output voltage and provides optimum fuel enrichment when the engine is cold.