FPT Cursor DPF Differential Pressure Too High
The FPT-SPN3251-FMI0 (FPT Cursor (Case IH / New Holland)) diesel fault code means: FPT Cursor DPF Differential Pressure Too High. This is a serious severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- beginner
- Estimated cost
- $0 regen, $600-$1,200 DP sensor
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Common Symptoms
- Derate after long idle / light load
- DPF regen request
Probable Causes (Ranked by Likelihood)
- Short duty-cycle duty (spraying, road travel) preventing passive regen Very Likely
- Failed DP sensor Likely
Step-by-Step Diagnostic Procedure
Run parked regen in-cab. If soot doesn't clear, check for doser code.
Frequently Asked Questions
What is Case IH / New Holland SPN 3251 FMI 0?
On FPT Cursor engines, SPN 3251 FMI 0 means: FPT Cursor DPF Differential Pressure Too High. Serious code -- address promptly to avoid inducement / further damage.
Can I keep operating with SPN 3251 FMI 0?
Serious fault -- you can move the machine to a shop but don't run it under load. Diagnose with Case IH EST / New Holland Electronic Service Tool.
How much does SPN 3251 FMI 0 cost to fix?
Repair cost range: $0 regen, $600-$1,200 DP sensor.
Sources
This page is built from documented references. Verify against your own service info before repair work.
SPN3251-FMI0 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: