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 ...

Clean and lubricate your vehicle's fuel system with our top picks for the best diesel injector cleaners. Like any fuel-injected engine, diesel engines rely on fuel injectors to, well, inject fuel into ...

Diesel injectors fail because of two main reasons. The first has to do with the mechanical soundness of the injector structure, and the second has to do with the quality of the fuel running through ...

Most modern vehicles have multi-port fuel injection (MFI) with a separate fuel injector for each cylinder. This system mixes the fuel and air together right in the intake port for eachengine cylinder ...

The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...

Diesel truck fans may have heard the legends surrounding the 12-valve Cummins. Found in trucks like Dodge Rams from 1989 to 1998, its fully mechanical fuel system and rugged injectors are celebrated ...