Once upon a time, you could diagnose the culprit of your Mazda MX-5 Miata's check engine light with a paperclip. We now use OBD-II technology for that.

Yet anyone can get an idea of the problem with a simple check using a tool that can cost less than a pub lunch. Most cars have an On Board Diagnostics (OBD) port, which allows you to plug in a device ...

A vacuum leak can cause a variety of drivability issues in your vehicle. Here's how you can isolate the leak and the steps ...

Part of the frustration of a check engine light is that it’s just so vague. It can signal anything from a looming powertrain failure to something as benign as a loose gas cap. The light will simply ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. The first step to automotive repair is diagnosing the problem.

Taking your car to the mechanic is convenient, but it isn't always the cheapest. Diagnosing your car yourself, for example, can save you a lot of money.

Want to improve your ride without breaking the bank? These highly rated practical upgrades are perfect for auto enthusiasts ...

Since modern automatic transmissions are generally seamless, any noticeable symptoms are important warnings that should prompt an immediate diagnosis.

Analysis by automotive diagnostics app Carly has found that around one in four 12-volt car batteries could be in poor condition and at risk of failure.

With native J2534 pass-thru and topology mapping, Topdon's new OBD2 scanner line offers a lot of high-tier functionality for the price.