Have you ever been driving along when all the sudden you hear a small "ding" and your check engine light goes on? It may not be a big problem, but on the other hand, it might be something you need to deal with right away. How can you know the difference? Experienced Service Technician, Bob from Feeny Auto lets you know how you can tell if your check engine light is warning you of a serious problem. For all your service and parts needs, call Feeny Autos at 847-697-0900 or visit us online at www.feenyautos.com Like us on Facebook:http://www.facebook.com/FeenyChryslerJeepDodge