As soon as a change from an old value to a new value occurs in an amount of injected fuel, the amount supplied is immediately changed by relying on the new value of the amount for injection. The old amount for injection is still injected for a discretionar...

A high-pressure fuel supply system and method are used with an internal combustion engine that includes a pressure raising mechanism (10, 20) operable to raise a pressure in a high-pressure portion of the fuel supply system to a level suitable for starting...

A method and apparatus are disclosed for detecting leakage in the fuel supply to the injectors of an engine 10 in which the individual injectors are connected to a fuel supply rail 20 to which fuel from a reservoir 14 is supplied under pressure by a fuel p...

A fuel pressure regulation system for use in a fuel pump system in which atomizing air is injected into the fuel delivered to the injector. The system includes both an air rail and a fuel rail and is operable to maintain the fuel pressure within the system...