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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 ...
Pa. owners of this car could get $12K: Here’s why
According to La Grada, anyone who owns the aforementioned models in multiple states — Pennsylvania among them — might start ...
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Common Problems With The 6.6 Duramax Diesel Engine, According To Owners
Unfortunately, in the case of the Duramax, the Bosch CP4 fuel pump can become a weak link in the fuel system, creating several problems. Owners have voiced serious issues like sudden power failure ...