The role of the MAP sensor


The role of the MAP sensor: 1. Adjust the camshaft to control the opening angle and timing of the intake throttle, that is, the VVT ​​system (variable throttle system). 2. Adjust the fuel injection timing and control the wavelength of the intake harmonics to make the intake smoother.

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MAP sensor definition: intake air pressure sensor. Intake air pressure sensor, referred to as MAP.

It is connected to the intake manifold with a vacuum tube. With different engine speed loads, it senses the vacuum change in the intake manifold, and then converts the change in the internal resistance of the sensor into a voltage signal for the ECM computer to correct the fuel injection volume and ignition timing. Time angle. In other words, the ECM computer outputs a 5V voltage to the intake pressure sensor, and then detects the voltage value from the signal terminal. When the engine is idling, the voltage signal is about 1-1.5V, and when the throttle is fully opened, it will be about 4.5V voltage signal.

The role of the MAP sensor: 1. Adjust the camshaft to control the opening angle and timing of the intake throttle, that is, the VVT ​​system (variable throttle system). 2. Adjust the fuel injection timing and control the wavelength of the intake harmonics to make the intake smoother.

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Jiaxing Lineng Automobile Gas Equipment Co., Ltd. is one of the suppliers of MAP sensors. Its products are of favorable price and good quality, which is worth trying.

 

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