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 ...

We've decided to compile a list of the most common problems faced by Duramax LBZ owners, based on posts those owners have made online. To put this article together, we've scoured the main forums ...

The 3.0-liter Duramax turbodiesel I-6 is the standard ... As you’ll recall, one of our larger complaints was the necessity to spend $300 per year on premium OnStar connectivity in order to ...