Diesel engines operate at higher compression ratios than gasoline engines, and fuel is injected under much higher pressure. An injection pump, usually driven by a belt or chain linked to the ...

Ford is the only major automaker to continue using the CP4 injection pump since first installing them on its 6.7-liter Power Stroke diesel engines. There are technically two versions of the CP4 ...

There are technically two versions of the CP4 pump, CP4.1 and CP4.2; however, they're typically referred to collectively as CP4. The difference being the CP4.1 pumps contain a single pumping ...

Those injectors work by delivering precise amounts of gasoline or diesel fuel to ... Treat your engine right and you may never need a specialized fuel injection cleaner or cleaning tool at all.

Compared with more expensive hybrids and diesel ... direct injection provides the best of both worlds: the responsiveness of a larger-displacement engine with fewer trips to the gas pump.