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 ...

The black ’15 Chevrolet Silverado 2500HD work truck we encountered at Dunks Performance in Springfield, Oregon, is the typical calling card of a successful turf business. It is used every workday to ...

If you browse forums often, chances are you've come across some heated discussions around the CP4 fuel pump. The CP4, short for "Common Rail Pump 4," is a high-pressure fuel injection pump that made ...

General Motors has agreed to shell out $35 million to settle with owners after a class action lawsuit alleged that certain Chevrolet and GMC pickup truck models were built with defective high-pressure ...

Plaintiffs in the class action lawsuit claim the part, known as the CP4 pump, was “unreasonably fragile and prone to catastrophic failure.” When parts of the pump rub against each other, metal ...

General Motors has been embroiled in a class-action lawsuit for years, regarding Duramax diesel engines and their supposedly faulty fuel pumps. Finally, according to CarComplaints, GM has settled with ...

Owners of specific GM models with Duramax diesel engines are in line to be reimbursed after a settlement was preliminarily approved. As is often the case with class action settlements like this, the ...