You know that sinking feeling you get every time you pull into a gas station? That moment when you watch the numbers on the ...

️ 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, ...

Discover the truth about the SynGas OBD Fuel Saver in this comprehensive 2026 review. Learn how it works, what real users say, its pros and cons, pricing, and whether it's worth buying to reduce fuel ...

Diagnostics go mainstream: Affordable OBD-II apps and adapters now let everyday drivers access real-time car data once limited to professional tools. Fleet management boost: Plug-and-play OBD-II ...

A detailed breakdown of OBD-II diagnostic trouble codes (DTCs) is offering clearer guidance for brake light and related ...

From the late '80s onward, cars were becoming more and more technically advanced, and an old-school toolkit could only do so much. So, following some development (and the limited OBD-I design), the ...

Automotive diagnostics have come a long way since the “idiot lights” of the 1980s. The current version of the on-board diagnostics (OBD) protocol provides real time data as well as fault diagnostics, ...

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 ...

The OBD-II port. It's one of the most fascinating features of most modern cars, and, for lack of a better word, it's a portal into all of your car's deepest and darkest secrets. No, it's not hiding a ...

The 90s were a pivotal time in world history, and 1996 was no different. You might have spent the year glued to the TV playing Super Mario 64, or perhaps you were busy campaigning for Bill Clinton or ...

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 ...