New Holland 3301: Fuel Metering Unit: Maximum Negative Rail Pressure Deviation Exceeded

The fuel metering unit has exceeded the maximum negative rail pressure deviation when the metering unit is at the lower limit. This indicates an issue with the fuel system's pressure regulation.

1. 1

   Fuel metering unit

2. 2

   Rail pressure sensor

3. 3

   Fuel system integrity

1. 1

   Inspect

   Inspect the fuel metering unit for damage or malfunction.

2. 2

   Test

   Test the rail pressure sensor for proper operation.

3. 3

   Check

   Check the fuel system for leaks or blockages that may affect pressure.