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?

An OBD-II scan tool is an incredibly useful automotive diagnostic device, but it's not magic. Here's what it can and can't do ...

Recent articles and editorials have incorrectly implied that the new On Board Diagnostics (OBD) emissions testing program was optional for the state to implement, when in fact it is a mandatory ...

Starting early next year, 1996 and newer vehicles won’t have to pass the Illinois EPA’s treadmill emissions test that generates hundreds of damage claims annually. Instead of the dynamometer test, in ...

Starting Monday, the Illinois emissions test for 1996 and newer vehicles will be an electronic reading of the onboard diagnostics system (or OBD II) instead of a treadmill test. The OBD II test will ...

CONCORD — Lawmakers have put the brakes on emissions testing. The House voted 222-102 Wednesday to pass a measure that would delay the on-board diagnostic (OBD) testing until May 2006. It also sets ...

Many FDA-regulated companies are exploring ways to support diagnostic testing, especially when early diagnosis can impact treatment options. However, funding diagnostic testing tied to a company’s own ...

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 ...