New Holland 3297 Error Code Portable →

Ensure the tank is at least 25% full. Use a refractometer to verify the DEF is at the standard 32.5% urea concentration.

Damage to the suction or pressure lines prevents fluid from reaching the injector. New Holland 3297 Error Code

The supply module contains a small filter that can clog with crystallized urea or debris. Ensure the tank is at least 25% full

This is a common maintenance item often overlooked. Replacing the filter in the pump module solves a high percentage of 3297 errors. New Holland 3297 Error Code