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

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

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.

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car experiences poor fuel economy, lacks power, feels sluggish, idles rough, or has an illuminated check ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...

Thanks to your handy smartphone, it has never been easier to check the weather. So why spend hundreds of dollars for a weather station that sits in your backyard? That’s a really good question, one we ...

O2 sensors and air-fuel ratio sensors are essential for controlling emissions and ensuring efficient engine operation. These sensors provide critical data to the ECU for optimizing air-fuel mixtures ...

X-Series Wideband UEGO AFR Controller Gauge were fastestresponding wideband air/fuel ratio controllers in an independent testvs. 17 competitor AFR controllers Includes AEM/FAE Replacement Sensor ...

Part number: for 30-4110 The Wideband allows you to control, and accurately monitor your Air/Fuel Ratio as a quality, and cost effective tuning tool. The AFR gauge monitoring tool provides accurate ...

As a vital component of a vehicle’s emissions control system, oxygen sensors play a crucial role in engine performance and fuel efficiency. But what’s the typical cost to replace a failed O2 sensor?