Your check engine light is a generic indicator that something is wrong with your vehicle. Today’s vehicles are complex machines that use microcomputers to control almost every aspect of its performance. From your onboard computer diagnostic systems to O2 sensors, the check engine light is your golden canary for the internal caverns of your engine and exhaust system. When your light pops on, it’s usually a good idea to take your car in for a system check as soon as possible. If you notice your light is flashing, you’re at risk of damaging your cars exhaust system. It’s recommended that you bring your car in for repair immediately. Don’t get left in the dark; costly repairs and unnecessary time in the shop are just a few troubles Auto One can sort out for you before its to late.