AIR CLEANER GP 7E7707 - Caterpillar

Probable Causes
Problem with the governor
Problem with the fuel injection pumpRecommended Repairs
Problem With the Governor
If a problem with the governor is suspected, refer to Systems Operation, Testing and Adjusting, "3406C Diesel Truck Engine".Problem With the Fuel Injection Pump
Inspect the fuel injection pump. Refer to Systems Operation, Testing and Adjusting, "3406C Diesel Truck Engine" for the correct procedure. If necessary, remove the fuel injection pump from the engine and refer to Tool Operating Manual, "Install and Test Fuel Injection Pumps Used on 3406B, 3406C, and 3406 PEEC Engines Using the 4C-8192 Heavy-Duty Coupling on Fiets" for the correct testing procedure. Make repairs or replace components, if necessary.