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 ...

If your injectors are bad, you may experience difficulty starting your engine in that it takes a long time to crank, or you have to pump the gas ... are a few ways to test diesel fuel injectors.

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 ...