There’s nothing worse than having your car break down in the heat of the summer. However, car issues are common, and problems can range from under-inflated tires to premature car battery failure to problems with belts and hoses. About five percent of all drivers are currently driving with a check engine light that has been on for more than three months, and nearly eight in 10 cars on the road are in need of repairs. If your check engine light is on, you should assume that it means that it’s at least time for a tune up service and oil change. Here are four other common reasons that your check engine light is on with some steps to troubleshoot them.