4 Perkins diagnostic codes on file — with the full diagnosis, repair steps, and field insights open to read free, no signup required.
Disclaimer: General reference information for trained, qualified technicians only. Codes and procedures vary by model, serial number and software version. Always follow the manufacturer's service manual and your site's safety procedures. Use at your own risk. Not affiliated with or endorsed by any manufacturer.
Find a Perkins code by searching below, or browse the table. Codes on file by system:
| Code | System | Symptom | Full fix |
|---|---|---|---|
| 190-2 | Electrical | Engine Stumbles / Dies | View fix |
| L01 | Cooling | Shutdown. Gen-set stops shortly after loading. | View fix |
| SPN 157 FMI 3 | — | Engine knocks loudly; Sudden limp mode; "Check Engine" lamp active. | View fix |
| SPN 94 FMI 17 | Fuel System | Low Power / Starvation Warning | View fix |
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