Section 34
SPN 4259
This SPN indicates the injector #4, 5, or 6 amplifier control valve is outside normal operating range.

| DD15 Fuel System Technician's Guide - DDC-SVC-MAN-0037 |
| Generated on 10-13-2008 |
Detroit Diesel Engine Troubleshooting
Detroit Repair Manuals
This SPN indicates the injector #4, 5, or 6 amplifier control valve is outside normal operating range.

| DD15 Fuel System Technician's Guide - DDC-SVC-MAN-0037 |
| Generated on 10-13-2008 |