If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just isn’t ...

For some time now, vehicles sold across the world have had the ability to self diagnose their problems. This capacity is referred to in the industry as on-board diagnostics, or OBD. On-board computers ...

An OBD-II scan tool is an incredibly useful automotive diagnostic device, but it's not magic. Here's what it can and can't do ...

Buying a used diesel truck can be a nerve-wracking endeavor. Months can be spent looking for a rig that has the right configuration of cab, bed, engine, and even suspension. And then, once the desired ...

The Optifuel Fuel Saver is a plug-and-play OBD2 chip designed to help drivers improve fuel efficiency and overall car engine performance. This article explores the root causes of fuel inefficiency, ...