The “check engine” light is the most annoying orange icon in America. Half the time the car feels fine, and the other half ...

The automotive industry has a huge variety of OBD2 scanners that come in a wide range of price tags starting from less than $100 and going up as high as $10,000. This glut of options is probably the ...

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 ...

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 ...