New Holland 139-03: Fuel Flow Setpoint of Common Rail Metering Unit too Low - Short to B+

The fuel flow setpoint of the Common Rail Metering Unit is too low, indicating a short to B+ in the system. This condition may affect the proper operation of the fuel delivery system.

1. 1

   The Common Rail Metering Unit

2. 2

   The wiring or connections related to the Common Rail Metering Unit

3. 3

   The B+ circuit associated with the Common Rail Metering Unit

1. 1

   Inspect

   Inspect the Common Rail Metering Unit for visible damage or wear.

2. 2

   Test

   Test the wiring and connections of the Common Rail Metering Unit for continuity and proper insulation.

3. 3

   Check

   Check the B+ circuit for any signs of shorting or damage.