Diesel truck fans may have heard the legends surrounding the 12-valve Cummins. Found in trucks like Dodge Rams from 1989 to 1998, its fully mechanical fuel system and rugged injectors are celebrated ...

Your Cummins ISX injectors are the heart of your fuel system, and catching issues early can save you thousands. From rough idling to black smoke, these symptoms shouldn’t be ignored. Knowing how to ...

The clearances inside diesel injection system parts are closer than those found in any other technology. The plungers and needle valves in injectors need to fit tightly to ensure precise metering and ...

Diesel engines offer tons of torque allied with impressive fuel economy, but they tend to be noisier and less refined than ...

First it was a simple oil-cooler failure. A week later, Adam Metter noticed his ’97 Dodge Ram 3500’s 5.9L Cummins engine developed a knock, as the dualie pulled a heavy trailer over a mountain grade.

A lot has changed since the5.9L Cummins B-series enginewas first offered in '89 Dodge pickups. The injection systems, cylinder heads, emissions equipment, and turbos have all seen dramatic ...

When the 2019 Rams were introduced in 2019, their 6.7-liter diesel engines used CP4.2 injection pumps, before reverting to ...