Deutz-Fahr 857: Engine Rail Pressure Pump (Metering Unit) - Voltage Below Normal Value or Short Circuit to Ground

The Engine Rail Pressure Pump (Metering Unit) is experiencing a voltage issue, either below the normal value or a short circuit to ground. This may affect the proper operation of the pump and the engine's performance.

1. 1

   The wiring and connections to the Engine Rail Pressure Pump (Metering Unit)

2. 2

   The power supply to the Engine Rail Pressure Pump (Metering Unit)

3. 3

   The Engine Rail Pressure Pump (Metering Unit) itself for internal faults

1. 1

   Inspect

   Inspect the wiring and connections to the Engine Rail Pressure Pump (Metering Unit) for damage, corrosion, or loose connections.

2. 2

   Test

   Test the power supply to the Engine Rail Pressure Pump (Metering Unit) using a multimeter to verify voltage levels.

3. 3

   Check

   Check the Engine Rail Pressure Pump (Metering Unit) for internal faults or damage that may cause a short circuit to ground.