another is not working right on the vehicle. you might have an idea of what is going on, or you might not have any idea. however, it can be very important to bring the vehicle to a shop that is able to diagnose the problem, and then repair it for you. learn more about the check engine light.
there is a reason for having the check engine light on, and in order to find out what the issue is, a computer will need to be hooked to the vehicle. this computer is going to provide the mechanic with a code. this code is what is going to tell you what exactly 