If you have replaced your filters and the L302 fault persists alongside rough operation, you may need an authorized technician to plug into the diagnostic port to read the real-time bar pressure values or update the engine ECU maps. If you want to isolate the exact cause, please let me know:
The L302 code specifically specifies that the drop occurs after the filtration stage. The issue could stem from physical blockages, mechanical degradation, or electrical faults: valtra error code l302 link
can show engine speed, driving speed, or PTO rotating speed on the top and bottom lines. How to Confirm a Real Error Code If your tractor's diagnose light If you have replaced your filters and the