Ford F-350 Engine Firing Order

Ford Firing Order With Diagrams

See Figures 1, 2, 3 and 4

To avoid confusion, replace spark plug wires one at a time.

Fig. Fig. 1: 5.8L engine-nl-> Firing order: 1-3-7-2-6-5-4-8-nl-> Distributor rotation: Counterclockwise

Fig. Fig. 2: 4.9L engine-nl-> Firing order: 1-5-3-6-2-4-nl-> Distributor rotation: Clockwise

Fig. Fig. 3: 5.0L and 7.5L engines -nl-> Firing order: 1-5-4-2-6-3-7-8-nl-> Distributor rotation: Counterclockwise

Fig. Fig. 4: 6.9L and 7.3L Diesel engines-nl-> Injection order: 1-2-7-3-4-5-6-8

This will help.

Thanks.