F 350 4WD Pickup V8-7.3L DSL (1988)
Governor: Testing and Inspection
GOVERNOR CHECK
1. Raise and support vehicle.
2. With no load on engine, place transmission in Drive an apply 10 inches of vacuum to vacuum diaphragm.
3. Record speed at which control pressure cutback occurs.
4. Cutback should occur between 10-20 mph. Replace governor as needed.
