New Jersey, D.C., California Drivers Pay Big Bucks For Car Repair (Infographic)
No driver likes to see the "check engine" light pop on. Sometimes, it illuminates for a minor reason, like a loose gas cap. Other times, the problem is much more serious. Unless you have a diagnostic machine at your beck and call (or a tricked-out smartphone in your pocket), you won't know what's wrong until you take it in for service...