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

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

Stop struggling with stuck O2 sensors. Find out why a specialist socket kit is a better investment than a standard wrench for your next car repair.

Maintaining a steady blood oxygen level is critical for the body to stave off breathing problems and organ trouble. For those needing to keep a close eye on things, there's no shortage of monitoring ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

On a typical training ride in Spain’s Sierra Nevada, Tokyo Olympics triathlon champion Kristian Blummenfelt might start near Granada, at around 3,000 feet above sea level, and finish as high as 10,000 ...

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 ...

Studies found that pulse oximeter devices are less accurate for dark skin tones. Apple is facing a proposed class action lawsuit alleging the Apple Watch's blood oxygen sensor is racially biased ...