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 ...

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 ...

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 ...

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 ...

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 ...

If you've ever gone to a mechanic for a check engine light problem on your car, then chances are you've heard the technician say something about an OBD scanner. It's a handheld phone-like device that ...

In 1976, Chrysler ushered in the computer engine management system era with their Electronic Lean Burn 400 4-bbl. This early computerized spark-advance control system was developed to make the engine ...