The fuel and exhaust systems inside diesel engines work closely together. As a result, fuel- and exhaust-related issues can be some of the most difficult to diagnose: A symptom in one system often can ...

The first RAM with a Cummins engine under the hood was launched in 1989 and has continued to evolve, now in it's fifth generation. In 2003, the popular heavy-duty truck offered the Cummins third ...

Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Cenexperts Live is a series where our Cenex® technical experts answer your equipment or maintenance questions. Struggling to diagnose an engine problem? Our fleet management expert explains why engine ...

Military vehicles such as Humvees are often seen wading through water without much trouble, which gives diesel engines a reputation for being nearly indestructible. While they are tough and generally ...

Q: I am looking at a Chevy Silverado 3.0 turbo-charged diesel. I was wondering if there are any problems with these engines and how reliable they are? A: This is one of those cases in which when these ...

BMW's quad-turbo diesel engine was complicated to maintain, and rising production costs led to it being phased out by around ...

Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...