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 ...

This story appears in the March 9 print edition of Transport Topics. The Environmental Protection Agency will require onboard diagnostics systems on at least one engine family per manufacturer ...

California Air Resources Board members have unanimously approved amendments to light-, medium- and heavy-truck onboard diagnostic system regulations that will require more data to be stored by the OBD ...

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 ...

California is proposing regulation mandating an industry standard diagnostic system for EVs. The standardized system is set to debut in 2026 in the Golden State but could usher in the creation of ...

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 ...

An OBD-II scanner can help you read check engine light codes and diagnose various car problems, but it can't fix the issue ...

We may receive a commission on purchases made from links. If you've ever connected a standard OBD-II scanner to your motorcycle only to find it doesn't work as expected, you're not alone. Unlike cars, ...

It is obvious—painfully so, to some—that vehicles have become considerably more dependent on electronics. We are all aware that performance gains on our new cars often aren't as easily obtainable as ...

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 ...

Starting in 2010, heavy-duty diesel engines will begin carrying emissions-monitoring technology as part of onboard diagnostic (OBD) systems similar to those now found on passenger cars. A new rule ...