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 diesel particulate filter (DPF) has continued to improve over its 15-year existence. So have other components of aftertreatment systems (ATS) that help send cleaner exhaust through the DPF.

The VW ALH 1.9 TDI reaches 500,000 miles without DPF or AdBlue systems. Here's why this simple diesel still makes sense as a ...

Ford 6.7 Powerstroke is considered one of the most trustworthy modern diesel engines. However, like all contemporary diesel trucks, it relies on a complex emissions system to meet EPA regulations. At ...

To paraphrase Pete Townshend of The Who, we're not trying to cause a big sensation; we're just talkin' 'bout regeneration. DPF regeneration, that is. It's the process of cleaning a diesel particulate ...

Owners of diesel trucks are likely to seek methods of increasing performance and fuel economy and most probably may discover a bottleneck with the Diesel Particulate Filter (DPF). The DPF is important ...

Cloes-up view of the "2500 HD Cummins Turbo Diesel" badge on a 2018 Ram 2500 Diesel Truck - Stellantis Ram's three-quarter-ton diesel sits on a short list of trucks that can tow like locomotives and ...

Your usage is the key here. With 70% highway driving, you are actually in the ideal scenario for a modern diesel. DPF issues are not brand-specific; they are usage-specific. The filter needs regular ...

The following was published in CCJ's Equipment Maintenance Toolkit, 8th edition, sponsored by Valvoline Heavy Duty. CCJ's Equipment Maintenance Toolkit is a complementary industry resource, courtesy ...

The Ram 2500 diesel is considered a reliable workhorse of a vehicle, but even a truck with such a solid reputation often encounters some recurring problems.