That 16-pin connector tucked beneath the dashboard of every car built after 1996 is one of the most underused tools available ...

Your car’s OBD-II port can read live data, freeze frame info, boost pressure, oxygen sensor data, mileage, and check engine trouble codes.

In this video, I created a blood oximeter by using the MAX30105 particle sensor to figure out the changes in color of passing ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

We earn commissions from purchases you make using links in our articles. Learn more. Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely ...

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 ...

If you’re like most car owners, you probably don’t think much about your car’s oxygen sensors until they are causing a problem. But did you know that a bad oxygen sensor can impact your car’s ...

Measuring blood oxygen levels on the Apple Watch has been a staple of its health monitoring experience since it arrived. Yet, an ongoing patent dispute in the US has complicated matters over the last ...

Alright, so that engine knocking and the car running like crap? Yeah, it was back. Even after cleaning everything (EGR, O2 Sensor, Throttle body, Intake Manifold, Exhaust manifold) last time, the ...

Aaron, a 27-year automotive technician and lifelong car enthusiast, attended Specs Howard School of Media Arts and learned the fundamentals of digital video and editing, shot composition and writing.

Early last year, Apple made the bold, court-mandated decision to remove the blood-oxygen feature from the Apple Watch Series 9 and Ultra 2 in the U.S. over a patent dispute with medical technology ...

If you have an Apple Watch Series 9, 10, or Ultra Watch 2 that you bought in the US in the past year, you'll finally get the blood oxygen sensing feature back via a software update later today, ...