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CP4 Pump: Which Diesel Engines Use It And Why Is It So Problematic?
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 ...
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Bosch announces emissions breakthrough that could save diesel
Global auto supplier Robert Bosch GmbH says it has developed a new diesel-exhaust management system that can slash emissions of smog-forming gases far below strict new limits set for Europe in ...
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Common Problems With The 6.6 Duramax Diesel Engine, According To Owners
In fact, while examining the most reliable Duramax diesel engines and which to ... Unfortunately, in the case of the Duramax, the Bosch CP4 fuel pump can become a weak link in the fuel system ...