New Holland 3677 – ENGINE: EGR DFC for valve position sensor voltage SRC low

The fault code indicates that the voltage from the EGR DFC valve position sensor is low. This may affect the proper operation of the EGR system, which is part of the engine's emission control system.

1. 1

   The EGR DFC valve position sensor

2. 2

   The wiring and connections to the EGR DFC valve position sensor

3. 3

   The power supply to the EGR DFC valve position sensor

1. 1

   Inspect

   Inspect the EGR DFC valve position sensor for physical damage or wear.

2. 2

   Check

   Check the wiring and connections to the EGR DFC valve position sensor for looseness, corrosion, or damage.

3. 3

   Test

   Test the power supply to the EGR DFC valve position sensor to ensure it is receiving the correct voltage.