Your fuel economy is getting worse most commonly from underinflated tyres, a clogged air filter, worn spark plugs, a faulty ...

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 ...

As 2026 kicks off, many are focusing on health, maybe trying to lose weight or cut back on happy hour drinks, but there's another option out there, and some people think it's even more important. In ...

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 ...

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

The P0118 code means that the engine control module (ECM) has detected a voltage signal that’s too high from the engine coolant temperature (ECT) sensor (below). In practical terms, the ECM believes ...

Withings’ long-awaited U-Scan, the smart-health device that analyzes your urine from inside your toilet bowl, is finally available to order globally. The device, which first wowed us at CES in January ...

Levels of iron in the brain could be a warning sign of future Alzheimer’s disease, a new study suggests. High levels of the chemical element have been shown to increase brain toxins and trigger ...

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 ...

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, ...

A breakthrough sweat-sensing patch reveals your body’s hidden stress chemistry, separating exercise from emotional strain and using AI to forecast anxiety before you even feel it. Study: Stressomic: A ...