The engine control unit (ECU, the computer that controls all of the electronic components on your engine) "sees" the throttle valve open and increases the fuel rate in anticipation of more air entering the engine. It is important to increase the fuel rate as soon as the throttle valve ...
diesels require three components for combustion: fuel (diesel), air, and compression. Unlike gas-powered engines, diesels don’t utilize spark plugs; in fact, they have no ignition source at all. Instead, they rely on the high temperatures created from compressing the air and fuel molecules ...