General Motors brought out a new version of the 6.6L Duramax V-8 engine, known as the LML, for the 2011 model year. Among various other changes, the company replaced the previous Duramax’s CP3 ...

Starting in 2011, Ford and General Motors began using Bosch Mobility CP4 pumps to provide high pressure fuel to their diesel engines. GM used the pump on its 6.6-liter LGH and LML Duramax diesel ...