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 OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems. This information can help inform the user as to what the source of a problem ...

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 ...

In March 2022, within a broader-treatment post on automobile owners’ rights to repair their own vehicles, I briefly introduced the topic of the on-board diagnostics (OBD) port, used to monitor (and in ...

View post: Topo Designs' Bestselling Flannel Shirts Are Nearly 50% Off OBD2 scanners reveal car issues, aiding diagnostics before emissions tests or repairs. California's 2025 rules require readiness ...

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 ...

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 ...

LONDON--(BUSINESS WIRE)--The automotive on-board diagnostics (OBD) market is expected to grow by USD 34.83 billion during 2020-2024. The report also provides the market impact and new opportunities ...