Seeing your vehicle's check-engine light come on can throw a wrench in your travel plans. It can also feel a little scary: Does it mean your ride is headed for the scrapyard? Or is there a simple fix?

If you own a car, you need an OBD2 scanner. The most basic function of these devices is to tap into your vehicle’s onboard diagnostics system to read and clear engine trouble codes. But then, ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

Something we all dread seeing is the check engine light popping up on our dash. Instead of guessing what’s going on, OBD2 diagnostic scanners can look over your car’s systems and help you figure out ...

Modern technology has made diagnosing vehicular issues much easier than ever before. Using an OBD2 (On-Board Diagnostics II) scanner is a relatively simple process that can provide crucial information ...

Diagnosing automotive problems used to be much more challenging. A mechanic had to use all of their skills to pinpoint mechanical or electrical issues. Nowadays, you can diagnose many problems ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

In 1976, Chrysler ushered in the computer engine management system era with their Electronic Lean Burn 400 4-bbl. This early computerized spark-advance control system was developed to make the engine ...

Once limited to reading check engine codes, OBD2 scanners now range from $24 glovebox tools to AI-powered systems for professional diagnostics. Standardized since 1996, they help drivers and mechanics ...

“It places diagnostic control firmly in the driver’s seat.” For nearly 30 years, carmakers have equipped every new vehicle sold with an OBD2 port in arm’s reach of the steering wheel. Originally ...