Fuel Pressure Sensor/Switch: Service and Repair

REMOVAL-Fuel Pressure Sensor

Fig.19 Fuel Pressure Sensor/Fuel Pres. Limit Value:

The fuel pressure sensor is mounted vertically near the top/center of the fuel rail (Fig. 19).

1. Disconnect electrical connector at sensor.
2. Remove sensor from fuel rail.
3. Inspect sensor O-ring.

INSTALLATION
1. Inspect fuel pressure sensor O-ring.
2. Lubricate sensor O-ring with clean diesel fuel.
3. Install sensor into fuel rail.
4. To prevent leaks, sensor must be tightened to prescribed torque Tighten sensor to 70 Nm ( 52 ft lbs ) torque.
5. Connect electrical connector to sensor
6. Start engine and check for fuel leaks