These systems will display a check engine light (CEL ... you understand a few methods you can use to identify CEL codes ...

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find ...

It can easily determine the cause of the check engine light coming on ... Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it ...

Learn what that pesky dashboard light means before heading to the shop — and maybe save some cash in the process.

If you think a car diagnostic scanner might be good for you, here's a good entry level one and a more sophisticated model. If you're not ready to buy one yet but your check engine light is on, most ...