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 ...

When you find yourself in the market for a new vehicle, you may have to pick between a diesel- or gas-powered car. As a fuel, diesel may be a little more expensive than gas, but it comes with a host ...

High-pressure common rail fuel (HPCR) systems are standard on nearly every diesel engine today, from heavy equipment to over-the-road trucks, light-duty trucks, large generators and more. HPCR fuel ...

"Common rail." It is a term that at this point is universally known across the entire diesel space. However, for uninitiated or new enthusiasts, the term refers to the manner in which late-model/newer ...

The L5P Duramax diesel V8 is what powers heavy-duty work trucks like the 2025 Chevy Silverado 2500 HD and is an amazing powerhouse. It didn't exactly start off that way back in 1984 when GM first ...

Diesels require more stored energy for starting than gasoline vehicles do, especially on cold days. Instead of just using the battery to enable the starter to crank ...

Diesel engines are torquey and efficient powerhouses capable of outlasting a comparable gas engine. But despite their robust build quality and beefier internals, there are things to avoid if you have ...

In a May 2013 report, “Case Study—Impact of Poor Diesel Fuel Quality on an Urban Fleet,” Cummins Filtration investigated problems with diesel engines in a New York City bus fleet. Complaints ranged ...

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 can often ...