Intake Air Temperature Sensor
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Intake air temperature sensor is used to detect the temperature of incoming air in the engine.
Intake air temperature is required to achieve complete combustion in every cycle by measuring the temperature of intake air which is entered in the engine cylinder.
Intake air temperature is used to measure the temperature of air which is coming in to the engine. According to the temperature ECU monitor the fuel delivery and spark occurring in the cylinder. It also works on the principle of thermistor which states that when the temperature of heating element or thermistor is changed, it changes its resistance.
A heating element is used in this sensor which is located at the passage of intake air. When the air passes from these elements, it generates high or less resistance according to the temperature. This generated resistance is sent to the ECU which gives the output to the fuel sensor and spark plug to work according to it. It is always used with manifold absolute pressure sensor and mass flow sensor.