The Ancel AD310 OBD II Diagnostic Scanner is just $24 right now, $12 less than the $36 it’ll normally run you. Over 20,000 ...

Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes in seconds.

This article was updated in August 2025 with new products and information. That little yellow check-engine light is sneaky. Most of the time, you forget it could be there. But when it detects an issue ...

H ave you ever looked under your car's steering wheel at all the wires, fuses, and plugs? If so, you might find an odd plug ...

Cars are more than just oil and steel. Modern models have incorporated electronics and computer chips to help manage and optimize their mechanical components. That means maintaining your car's ...

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, ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Something we all dread seeing is the check engine light popping up on ...

Before I figured out how to work on cars, onboard computer systems scared me. I’ve had no formal training, after all, so the idea of a car’s complex electricals and countless sensors made DIY work ...

Getting OBD fault codes and checking the health of your car no longer requires a trip to the service center, as a simple OBD2 adapter, either wired or wireless, allows you to do this from the comfort ...

Nobody likes seeing a warning light on their dashboard, and it’s even worse if you don’t know what it means. But most cars keep a record of any malfunction in their onboard computer, and you can ...