New Holland 3964 – ENGINE: Supply Pump Exchange Fault

The fault code indicates an issue related to the supply pump exchange. This may involve a malfunction or failure in the process of exchanging the supply pump, which is critical for the proper operation of the engine.

1. 1

   The condition of the supply pump

2. 2

   The functionality of the supply pump exchange mechanism

3. 3

   Connections and wiring related to the supply pump exchange

1. 1

   Inspect

   Inspect the supply pump for signs of damage, wear, or improper installation.

2. 2

   Test

   Test the supply pump exchange mechanism to ensure it operates correctly.

3. 3

   Check

   Check all connections and wiring related to the supply pump exchange for looseness or damage.