Engine coolant temperature sensor
Encyclopedia
The Engine Coolant Temperature Sensor (ECT) tells an automobile's ECU
what the engine temperature is, so that optimum driveability is realized while the engine is warming up and when the engine has reached operating temperature.
Engine control unit
An engine control unit is a type of electronic control unit that determines the amount of fuel, ignition timing and other parameters an internal combustion engine needs to keep running...
what the engine temperature is, so that optimum driveability is realized while the engine is warming up and when the engine has reached operating temperature.