What is the idle law in Kentucky? Here's what we know about leaving your vehicle running while unattended in the commonwealth ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

The GM Duramax 3.0L LZ0 engine relies on a Diesel Particulate Filter, or DPF, to reduce emissions. Now, we're taking a closer ...

In the market for a used car? With used car prices still at historic highs, it’s more important than ever before to be confident in your used car purchase. Used vehicles can be ...

Cadillac put their first Formula 1 car on track at Silverstone on Friday, with reserve driver Zhou Guanyu behind the wheel.

No smoke machine? No problem. Learn how to check for engine vacuum leaks using visual cues, soapy water, and DIY tricks to ...

Red Bull ’s F1 engine boss Ben Hodgkinson insists he is “frustrated” and cannot comprehend why a row over the new regulations ...

Other teams claimed in December that Red Bull and Mercedes found a way to pass the static test while exceeding the limit at ...

Cleaning your car's engine bay is a great way to keep things looking fresh and tidy. However, to prevent damage, make sure ...