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map sensor

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dayyoung | 23:39 Sun 11th Jan 2009 | Cars
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How dose a MAP Sensor work & what is it ?
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This is Manifold Absolute Pressure sensor.
It maesures the absolute pressure in the intake manifold compares this to a reference, this informatiom plus the engine RPM and air temp (usually air duct) is sent to the ECU for calculating the volume of fuel to be injected.

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