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 the term “wideband O2 sensor” being thrown around at the track, dyno ...

Abstract: In this study, we fabricated a limiting current-type microelectromechanical system (MEMS) sensor and evaluated its sensing performance of oxygen and humidity concentration. The MEMS oxygen ...

The Costco advantage doesn't just extend to your favorite grocery items and low-priced Interstate batteries. The warehouse retail chain also offers wholesale prices for tires, and they're a fantastic ...

Whether you’re working in the front of the shop or turning wrenches in the bays, part of TPMS service is teaching customers what they don’t know about their vehicles. Many drivers may believe TPMS ...

With the release of watchOS 11.6.1 and companion iOS 18.6.1, Apple managed to restore blood oxygen readings for U.S. owners of Apple Watch Series 9, Series 10, and Ultra 2. The method is slightly less ...

If you’ve had your eye on a new Apple Watch Series 10, now’s the day to finally get one. Not only is it $100 off, starting at just $299 for the 42mm model, but the blood-oxygen sensor is finally ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

Apple removed blood oxygen monitoring from the Apple Watch in early 2024. Somebody has to blink for it to return, and it looks like neither Masimo nor Apple are going to budge. Blood oxygen monitoring ...