Whether you are a full time mechanic, or just a hobbyist, keeping track of all the different OBD-II codes for various vehicles is a nearly impossible task, and while not everyone wants to keep their ...

In the Last diagnostics article, we outlined how to retrieve and decipher engine diagnostics for engines running OBD-I engine management computers. OBD or On Board Diagnostics is a subsystem of the ...

Oh no – what does that flashing light on your dashboard mean? Now there’s an app that will tell you exactly what’s wrong. The new Actron InfoMobile Lite app for iPhone and Android smart phones lets ...

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 ...

️ 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, ...

Modern vehicles’ sophisticated electronics go far beyond the simple car mechanics most of us grew up with. Now, OBD, or on-board diagnostics, diagnoses almost every issue within your vehicle. Whether ...

Not sure how to interpret a fault code on your car? Our complete guide explains everything. A standard DTC list was created by the Society of Automotive Engineers (SAE). Cars and light trucks ...

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 ...

I utilize several major auto parts franchise chains. I welcome the diversity which comes with each one; from the “mom & pop” store, which has been in town for longer than I have been alive, to the ...