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 ...

That's where OBD-II scanners come in, giving enthusiasts and everyday drivers a window into their vehicle's diagnostic systems. If you're chasing down the cause of a check-engine light, ensuring peak ...

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 ...

We've all been there—that pesky check engine light pops up on your dashboard. Instantly, thoughts of expensive mechanic bills, weeks of it being repaired in the garage, and inconveniences galore flash ...

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?

There it is. On your dashboard. Staring at you, mocking you, making you plot insurance fraud: your car’s check engine light. That little bugger has been on your dash for weeks now and you haven’t been ...

Code readers are diagnostic tools that every car owner should consider owning. Having one of these is as important as carrying a spare tire or a fire extinguisher in the trunk. Back in the day, before ...

Amazon Prime Day is on! To stay on top of all the best deals, visit and bookmark this page. Ever feel the subtle rise of dread in your stomach when you see the mysterious “check engine light” ...

Antuan started out in the automotive industry the old-fashioned way, by turning wrenches in a driveway and picking up speeding tickets. He now has nearly 20 years of expertise and experience behind ...

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 ...

When I got my first performance vehicle (a 2000 Subaru Forester STI) the first thing I bought for it was an OBD-II code reader so I could monitor the sensor levels and pull codes in the event anything ...

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 ...