The Delphi Electronic Unit Pump (EUP) and Smart Injector repair program is well suited for high performance, heavy duty applications. Delphi’s EUP uses proven valve technology from the company's EUI product line. When used in conjunction with the high pressure electronically controlled Smart injector, the EUP provides a complete high pressure fuel delivery system for heavy duty engines. The injector's nozzle control valve is electronically controlled, which helps to reduce fuel consumption and improve performance all while meeting the most stringent emissions regulations.