Based in Avon, IN, Mobile Auto Diagnostic Service (MADS) proudly serves Avon and nearby Brownsburg, Plainfield, and Pittsboro. For just $50, I’ll come to your home, workplace, or roadside in Avon to diagnose check engine lights, non-starting vehicles, or other issues. Operating daily from 9 AM to 5 PM, I’m here to save you time and hassle with expert, affordable service.