This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

Micah is a 20-year authority in the automotive industry with extensive experience founded on marketing, events, and racing. His writing beats can be found in various online publications such as Car ...

We may receive a commission on purchases made from links. The OBD acronym stands for on-board diagnostics, a system built into modern vehicles that monitors the performance of the engine and other ...

View post: REI Has a 'Comfortable' Rain Jacket on Sale for 51% Off 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 Amazon ...

Which OBDII scanners are best? Those annoying dashboard warning lights only tell you that something is wrong. They don’t tell you that the problem could be anything from a loose gas filler cap to a ...

Seeing that dreaded check-engine light illuminate on your vehicle's instrument cluster can be quite spooky. Thoughts of a devastating engine failure come to mind, paired with an equally devastating ...

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?

️ Editor's note: This product category requires new testing about once a year. We'll update this article with the most recent information when it's available. Modern cars are technological marvels, ...

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?