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 ...
We may receive a commission on purchases made from links. The problems associated with CP4 high-pressure fuel pumps are well documented. In fact, Ford recently issued a recall of close to 300,000 ...