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

The MAP sensor is an important part of a car's operating system. But lots of things can make it go bad. Here's how you'll ...

How Do I Dial In The Right Air/Fuel Ratio For Today's Oxygenated Fuels Using A Wideband O2 Sensor? Q. I am installing a wideband oxygen sensor and am curious about what A/F (air/fuel) ratios to aim ...

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 ...

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 ...