MBE 4000 DDEC VI Troubleshooting – Section 100 SPN 2798 – Cylinder #4, 5, or 6 Injector/Unit Pump Control Valve Not Operating Normally
MBE 4000 DDEC VI Troubleshooting – Section 99 SPN 2797 – Cylinder #1, 2, or 3 Injector/Unit Pump Control Valve Not Operating Normally