Ethanol fuel, often lauded for its environmental benefits, has become a common additive in gasoline. However, its impact on older engines and systems is a topic of concern for many vehicle owners.

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 ...

While carbon buildup happens on essentially all engines, gasoline, diesel, N/A, or boosted, it's an increased concern in GDI engines. Standard Electronic Fuel Injection features injectors higher in ...

While diesel may not be the most popular fuel source for passenger vehicles, it's still extremely common. These engines are responsible for powering more than you may realize, and diesel motors can be ...

Fuel-water separators have greater water-removal capabilities to better protect unit injectors, Caterpillar says, and deliver longer secondary fuel filter life. The separator removes 98 percent of ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...