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 ...

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 ...

Imagine a turbocharger trying to pressurize a carburetor with its small venturis and finicky floats and you can get some idea why electronic fuel injection opened the door to big boost, big power, big ...

It used to be that tuning a hot street engine or race motor was one of those black arts that only those carburetor and ignition wizards seem to understand. When (and why) an engine needed more or less ...

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 ...

At some time or another, we’ve all had an idea we thought was so clever that we jumped on the Internet to see if somebody else had already come up with it. Most of the time, they have. But on the off ...