Starting in 2011, Ford and General Motors began using Bosch Mobility CP4 pumps to provide high pressure fuel to their diesel engines. GM used the pump on its 6.6-liter LGH and LML Duramax diesel ...

Have you ever wondered how fuel gets from the tank of a car to its engine? Well, for a diesel engine, it all starts with the lift pump, which is a low-pressure pump that draws the fuel up and out of ...

There could be a couple of things going on here. The first is that these engines were old-fashioned mechanical fuel-pump units, so they need to be primed. That involves getting all of the air out of ...

Lesser forms of internal combustion, known to most as gasoline engines, often teeter on the edge of airflow, fuel flow, and ignition advance. At elevated cylinder pressure, an air/fuel ratio or timing ...