The diesel engine in Dodge vehicles has a tremendous amount of torque. Increase this power by adjusting or replacing your fuel pump to a more powerful, aftermarket addition. The fuel pump isn't always necessary on a vehicle, but it is in a Dodge. On older motorcycles, no fuel pump is required. In those cases, gravity feeds fuel to the engine through the fuel line. In the case of modern vehicles, the fuel pump is needed. Locating the Cummins fuel pump and removing it can be done with careful attention.
Find the Cummings fuel pump at the firewall of the vehicle's cabin on the engine's passenger side. Wipe off the top and the back housing to remove any dirt and grime.
Loosen your smoke adjustment nut at the top of the fuel pump. This will remove the cap that is located over the load delivery spring and plunger. The plunger is slightly offset at the bottom. You can turn the plunger after the cap is removed.
Turn the plunger roughly 180 degrees. The offset plunger's opposite side will be at the same location as the fuel delivery pin. Put the cap back onto the fuel delivery plunger. Tighten the smoke adjustment screw, holding the cap in place.
Remove the metal collar located at the bottom of the fuel adjustment bolt. Locate the diaphragm that is holding down the fuel delivery plunger. Find the power adjustment screw that is locked into position by a nut. Loosen the lock nut with your wrench, enough to unscrew it from its position. Remove the metal collar that's around the bolt base.
