The working principle of sequential systems are based on the pressure. Some of the information needs to be transferred to the electronic control system(ECU). These informations are provided by the sensors. When the information is converted to the mathematical data,then, the electronic control unit has the control over these information. At this point, the MAP Sensor measures the pressure values. It measures the reducer pressure together with inside pressure of manifold, exhibiting the delta pressure for adjusting tunning settings for the poor/rich mixture. It is also a piece which could sense the defect that can be caused by the decrease in the pressure or when the gas runs out, it switches to fuel. We have two types of MAP Sensors as version 1 and version 2.
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