Before I figured out how to work on cars, onboard computer systems scared me. I’ve had no formal training, after all, so the idea of a car’s complex electricals and countless sensors made DIY work ...

That 16-pin connector tucked beneath the dashboard of every car built after 1996 is one of the most underused tools available ...

Add Yahoo as a preferred source to see more of our stories on Google. Modern cars are technological marvels, and understanding what’s happening under the hood has never been more important—or more ...

Harbor Freight is known for its wide selection of tools, hardware, equipment, and nearly anything pros or DIYers can imagine. One notable offering is the company's Maddox screen code reader, which ...

Start diagnosing that check-engine light with this budget-friendly OBD-II scanner—now 40 percent off at Amazon's Big Spring Sale!

Diagnosing automotive problems used to be much more challenging. A mechanic had to use all of their skills to pinpoint mechanical or electrical issues. Nowadays, you can diagnose many problems ...

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We've all been there—that pesky check engine light pops up on your dashboard. Instantly, thoughts of expensive mechanic bills, weeks of it being repaired in the garage, and inconveniences galore flash ...

If you've been involved in automotive repair for a while, you probably know that modern vehicles use onboard diagnostic (OBD) systems to help notify us when there's a problem. The OBD system works ...

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?

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 ...