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Component Description For Boost Pressure Sensor - GF07.04-D-6053HDA

ENGINE 651.955/957 in MODEL 906 

Location 

The low-pressure turbocharger boost pressure sensor is located on the right at the cylinder head.

G13186419Courtesy of MERCEDES-BENZ USA

Task 

The low-pressure turbocharger boost pressure sensor detects the charge air pressure generated by the low-pressure turbocharger and transmits the change in resistance to the CDI control unit (N3/28).

IMPORTANT The charge air pressure of the low-pressure turbocharger is transferred from the tapping point in the charge air pipe through a pressure line to the low-pressure turbocharger boost pressure sensor.

Input and output signals 

Direct output signals 

Function 

The respective charge air pressure distorts a measurement membrane with strain resistors. The change in resistance results in a voltage which is interpreted by the CDI control unit for determining the charge-air pressure of the low-pressure turbocharger.