Sean is a JDM and off-road enthusiast of many years, and an automotive photographer. He holds a B.A. in Literature and Writing Studies, an A.A. in Communications, and an A.A. in English. He is ...

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 ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

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 ...

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 ...

Lexus has an interesting steering wheel button setup where there are two thumbpads on the spokes, unlabeled, that can be shifted between functions (like the shift key on your computer, not shifting ...

The problem: The issue has to do with a faulty occupant weight sensor, known as an Occupant Classification System (OCS). If the OCS short circuits, the airbag might not deploy as designed in certain ...

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 ...

When it comes to metering in the fire service, there’s a culture of “I’m no hazmat technician. Meters are for hazmat geeks.” However, competency in basic metering is a skill that first responders must ...

We've all experienced a check engine light coming on, knowing that unless it's taken care of immediately, it'll be a nagging long-term problem in the back of our minds. It's one of the most important ...

As of today, all new Apple Watch Series 9 and Ultra 2 models sold by Apple do not support the blood oxygen feature. This is due to an ongoing patent dispute with Masimo. But if you are buying an Apple ...