FPT Cursor Cylinder #1 Injector Open
The FPT-SPN651-FMI5 (FPT Cursor (Case IH / New Holland)) diesel fault code means: FPT Cursor Cylinder #1 Injector Open. This is a serious severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- intermediate
- Estimated cost
- $400-$900 injector
A $30 car code reader can't do diesel. The HD7000 reads full-system codes and does parked DPF regen, idle/speed-limit, and service resets from the cab — on everything from a 6.7 Cummins/Power Stroke/Duramax pickup to Class-8 trucks (Detroit, Paccar, CAT, Volvo, Mack, International).
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Full-system 6/9/16-pin diesel scan tool for Cummins, Paccar, CAT, Detroit and more — plug-and-play, no subscription. A cheaper way to read heavy-duty codes a basic OBD2 scanner skips entirely.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Common Symptoms
- Misfire
- Derate
Probable Causes (Ranked by Likelihood)
- Injector solenoid fault Likely
- Valve-cover harness damage Likely
Step-by-Step Diagnostic Procedure
Run cylinder balance test in Case IH EST.
Frequently Asked Questions
What is Case IH / New Holland SPN 651 FMI 5?
On FPT Cursor engines, SPN 651 FMI 5 means: FPT Cursor Cylinder #1 Injector Open. Serious code -- address promptly to avoid inducement / further damage.
Can I keep operating with SPN 651 FMI 5?
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 651 FMI 5 cost to fix?
Repair cost range: $400-$900 injector.
Sources
This page is built from documented references. Verify against your own service info before repair work.
SPN651-FMI5 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: