The 2015 model year marked a critical point for owners of Duramax-equipped vehicles, particularly those with the CP4.2 high-pressure fuel pump. This pump, while offering efficiency benefits, proved susceptible to catastrophic failure... Read more »
Certain 2016 model year Duramax diesel engines, equipped with the CP4 high-pressure fuel pump, have demonstrated a vulnerability to fuel contamination-related failures. This vulnerability can lead to catastrophic engine damage, requiring extensive... Read more »
Certain diesel engines utilize a high-pressure fuel pump known for potential failures leading to catastrophic engine damage. A collection of components designed to mitigate this risk often includes an upgraded fuel pump,... Read more »