electronically controlled fuel-injection system for the 5.9-liter Cummins engine debuted. The setup featured a high-pressure, Bosch-branded VP44 injection pump, also known as the "VP." The change ...

Inspection of pump ... Diesel fuel injectors are a vital component to a healthy engine and make Cummins' impressive output figures possible. However, common symptoms of diesel fuel injector ...

Cummins added improvements like common-rail direct injection, upgraded Bosch fuel pumps, new turbochargers, and a 24-valve valvetrain to the second and third-generation 5.9-liter B-Series.