What Does A Map Sensor Do
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What Does A Map Sensor Do. The manifold absolute pressure sensor map sensor is one of the sensors used in an internal combustion engine s electronic control system. In other words it provides manifold pressure information to the ecu or electronic control unit of the engine.
This data eventually becomes a basis for calculating the fuel delivery along with timing control. A map sensor is an electronic control that works in conjunction with the intake manifold a system of tubes and chambers that carry a mixture of air and fuel to the intake valves. Basically a map sensor reads the amount of air pressure in relation to vacuum inside the intake manifold either directly or using a vacuum hose.
Manifold absolute pressure map sensor is the one that converts engine vacuum force into an electrical signal for identifying the load under which the engine works.
In other words it provides manifold pressure information to the ecu or electronic control unit of the engine. This data eventually becomes a basis for calculating the fuel delivery along with timing control. The ecm uses map sensor data to run crucial calculations such as engine load fuel injector pulse and spark advance. In some vehicles a mass air flow maf sensor is used.
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