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

Smart plugs can add controls to any outlet, but they aren’t perfect for everything. Here’s our guide to using one and which ...

Scam "power saving" devices are rampant online. These devices plug into an outlet and promise to "improve the use of energy," "extend the life of electrical equipment," and even "avoid illegal ...

The new Snap-on 3/8-inch Drive 27mm 6-point Fuel Pressure Sensor Socket (A227) is a time-saving tool for removing fuel pressure sensors on GM vehicles. The removal of the fuel pressure sensors on GM ...

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 ...

Cleaning the idle air control valve (IACV) on your vehicle periodically helps keep carbon and other particles from building up on the valve, which can negatively affect the operation of the car.

Fact: Check engine lights lead to gray hairs and sleepless nights. Just kidding, they’re important warning signs that help you maintain your ride’s health and well-being. But what happens when that ...

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 ...

Apple is making another attempt to appeal the trade ban that forced it to remove the blood oxygen sensor from its smartwatches, Reuters reports. The company was forced to remove the feature in 2024, ...

Fuel costs add up fast, but small tweaks to your driving routine and vehicle maintenance can make a big difference. If you’re commuting a lot, then optimizing fuel efficiency keeps more money in your ...