2004 Freightliner Sprinter 2500 L5-2.7L DSL TurboFACTORY OEM SERVICE PROCEDURE

Fuel Pressure Sensor: Service and Repair

Fuel Rail Pressure Sensor:

Factory service manual diagram




REMOVAL
1. (Refer to FUEL SYSTEM/FUEL INJECTION - WARNING) Disconnect the negative battery cable.
2. Remove the mixing housing.
3. Unplug the sensor.
4. Counter-hold the threaded connection at the fuel rail and unscrew the sensor.

INSTALLATION
1. (Refer to FUEL SYSTEM/FUEL INJECTION - WARNING) Install the sealing ring on to the sensor.
2. Screw the sensor in to the fuel rail. Counter-hold the threaded connection and tighten the sensor to 18 lbs. ft. (25 Nm.).
3. Connect the wiring harness to the sensor.
4. Install the mixing housing.

CAUTION: Care must be taken when installing the engine cover. Assure the proper routing of the fuel injector return fuel hose to the banjo bolt fitting in the left rear corner of the cover. Failure to do so may pinch or damage the hose causing fuel leakage or a driveability concern.

5. Connect negative battery cable.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.