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

Car habits like ignoring warning lights and slamming brakes cost thousands in repairs-12 simple changes protect your engine ...

This 2016 Smart ForTwo Passion in Astoria, New York, is a clean-title, manual-transmission microcar with approximately 38,000 ...

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread chasers can save your DIY project.

If you regularly change lenses on your camera, dust or debris will eventually end up on your sensor. There are things you can do to mitigate that, but any time you expose your camera's interior to the ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...

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 ...

O2 sensors and air-fuel ratio sensors are essential for controlling emissions and ensuring efficient engine operation. These sensors provide critical data to the ECU for optimizing air-fuel mixtures ...

Your engine requires the correct air/fuel ratio to function properly. The Mass Air Flow (MAF) sensor is crucial in the fuel management system, ensuring that this ratio is maintained. The MAF sensor ...