In the Last diagnostics article, we outlined how to retrieve and decipher engine diagnostics for engines running OBD-I engine management computers. OBD or On Board Diagnostics is a subsystem of the ...

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 ...