What an OBD2 Scanner Can (and Can’t) Do Most 1996 or newer gas vehicles and most 1997 or newer diesel vehicles use OBD-II, per New York’s inspection guidance. The car runs self-tests on emissions ...
When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...