The fuel injection pump is the heart of the diesel engine. Precisely delivered fuel maintains a rhythm or timing that keeps the engine running smooth. Simultaneously, the pump also controls the amount ...

The diesel industry uses two basic styles of mechanical injection pumps: the inline and rotary. In most applications, the inline pumps are attached to inline engines (due to packaging), while the ...

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 ...