From reading a check engine light to streaming live sensor data, OBD-II diagnostics give drivers and technicians a powerful window into a vehicle’s health. Choosing the right scanner, understanding ...

In the January issue, we discussed the history of OBD. This time we are going to investigate some of the technology required to meet OBD II standards. To give an idea of the magnitude of technological ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The check-engine light suddenly appearing on your dashboard is enough to dampen any drive. For the ...

From budget-friendly code readers to advanced professional-grade diagnostic platforms, the OBD2 scanner market in 2026 offers something for every driver. Whether you’re a DIYer tackling a check engine ...

Add Yahoo as a preferred source to see more of our stories on Google. Not so long ago, before software and electronics became so integrated, investigating car trouble and tuning performance was a ...

I was recently at a seminar going over some diagnostics for some of the problematic and reoccurring fault codes. The general discussion led us in an interesting direction about the nature of fault ...

Replacing a worn-out, oil-burning, smoke-belching engine in a 4x4 is a big goal for many enthusiasts. Swapping in a late-model, fuel-efficient, more powerful engine is a great idea, but when it comes ...

Recently, we discussed the pending OBD III, but we did not go into detail about its predecessors OBD II or OBD. These are On-Board Diagnostics that came about when emission controls were born. With ...

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 ...

A few weeks ago, I decided to buy a couple of cheap OBD-II adapters to start out some ethical hacking experiments. However, when looking for a reliable adapter on the market, you can get a lot of ...