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Pressure sensor downstream of throttle valve actuator function - GF07.04-P-5049-01M

Fig 1: Pressure Sensor Downstream Of Throttle Valve Actuator Circuit Diagram
G07618536Courtesy of MERCEDES-BENZ USA

The pressure distorts the diaphragm and through this the value of the Piezo resistor. The output voltage serves as pressure information for the engine control unit.

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