Hi any one can help me get more information about the OBD not ready and Fails the inspection...This time I go to the mechanic with 800 miles and scan the OBD .and the mechanic say is ready for the test ,unfortunately still fails and come out OBD NOT READY????? The question is my car computer in not work or something else problem??? If The computer problem ...can
I just switch the computer ( but some mechanic say the on OBD must be work with the dealer only ? because each OBD had special code for each car??