MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR CONSTRUCTION/OPERATION[L3 Turbo]

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•  The MAP sensor is built into the boost air temperature sensor.
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MAP/boost air temperature sensor

•  When pressure is applied to the piezoelectric element in the sensor, an electric potential difference occurs. Output voltage increases as the intake air pressure increases.
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MAP sensor
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MAP sensor characteristic
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High
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Output voltage
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Intake air pressure
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High