Heavy duty diesel engines are designed for long hours and extreme loads, but even the toughest systems fail without early ...

Is your engine underperforming? A Cenex expert shares how a diesel engine compression test could provide the diagnosis. With winter in full swing, fleet owners may be thinking about what they should ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

But none of that matters if the engine won't turn over. Winter can be an especially challenging time. When the temperature plummets, problems that were minor in the fall can snowball. "The best way to ...