Symptoms of a malfunctioning NOx sensor include increased fuel consumption, as well as reduced power and acceleration. If a sensor fails, it will also trigger an on-board diagnostic (OBD) code, ...

The 7.3 PowerStroke, 5.9 Cummins, and 6.6 Duramax, are all iconic diesel engines, but how do they compare? Here's a ...

Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That is why it’s imperative to know whether your engine’s ...

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 ...

A lift pump and a fuel pump might be part of the same system that delivers fuel to a diesel engine, but they have very different roles to play.

Although there are a few states that have experienced cold temperatures and, in a few instances, snow, since October, we're now in the heart of winter, the season that officially runs from December to ...

Diesel engines need extra care in winter to avoid problems like fuel gelling, weak batteries, and thick oil. Key tips include ...

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...