Sprinter 3500 L5-2.7L DSL Turbo (2004)
Fuel Pressure Sensor/Switch: Description and Operation
FUEL RAIL PRESSURE SENSOR
The fuel rail pressure sensor is attached to the front of the fuel rail The sensor supplies the current fuel rail pressure to the ECM.
Non-constant fuel system pressure influences the position of a diaphragm inside the sensor This results in a variation in the electrical resistance The
fuel rail pressure sensor supplies the appropriate voltage signal to the ECM.
