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

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.

Matt Carey, the co-founder and CEO of Boston-based startup Teradar, loves when people tell him: “I don’t believe you.” That’s “right where we want folks,” he recently told TechCrunch. Carey has spent ...

Apple released a small build update to iOS 26 developer beta 6, which does not re-enable the blood oxygen sensor on Apple Watch in spite of the earlier iOS 18.6.1 update that did. The new iOS 26 ...

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 ...

Some engine bays are as droolworthy as the cars they adorn, but under the twisty mechanical artistry lies an array of electronic wizardry to help run your car. The crankshaft position sensor is one of ...

Learn how to perform a MAF delete on your EDC15 engine management system. This guide will walk you through the steps to improve air intake and fuel mapping. #CarTuning #EDC15 #MAFDelete Man behind ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

A mass air flow sensor is one of the numerous tiny widgets and gewgaws that make up a modern automobile's electronic fuel injection system. In the MAF's case, it tells the car's computer how much air ...

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 may earn a commission from links on this page. One of the most common first sensors people buy for their home is a motion sensor. But in almost all cases, you want a presence sensor instead. The ...