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

One of the most anticipated V8 thrillers of 2025 is finally available to purchase. Direct Connection is asking $34,995 for the Hellephant A30 426 Supercharged Crate HEMI, a 7.0-liter behemoth that ...

Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely expensive to replace, so if you’re having issues, it makes sense to try one of the ...

Knowing a few precise mechanic terms can turn a confusing estimate into a clear conversation and keep you from paying for ...

The best air purifiers work their magic in the background of your life. You want to set them up, forget about them, and let them enhance your indoor air quality. We've come to view them as a household ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

This article features deals sourced directly by Gizmodo and produced independently of the editorial team. We may earn a commission when you buy through links on the site. Reading time 2 minutes Motion ...

Corin Cesaric is a Flex Editor at CNET. She received her bachelor's degree in journalism from the University of Missouri-Columbia. Before joining CNET, she covered crime at People Magazine and ...