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

A soft-spoken, 39-year-old father of two, Hummel is one of Ford Motor’s highest-status automotive technicians—a “senior master.” All the bays in a service garage at Klaben Ford Lincoln in Kent, Ohio, ...

Every serious gearhead knows that the right USB gadget can turn a cluttered garage into a smart, efficient workshop. From pinpointing engine faults to keeping tires and batteries in top shape, compact ...

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.

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

We earn commissions from purchases you make using links in our articles. Learn more. You do not want to miss out on these Cyber Week automotive deals. We’re including some of the best deals on ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

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 ...

We may receive a commission on purchases made from links. The world of tools is constantly evolving and expanding, and there's a virtually unlimited number of gadgets and devices designed to help us ...

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 ...