Welcome to K & S Auto Service. Proudly Serving Chester County & The Main Line, our family owned and operated shop is known for great service and great prices. Since 1972, we've been providing Comprehensive vehicle services...ranging from oil changes, tune ups, and preventative maintenance, to engine repair and replacement, transmission and brake service, as well as PA state and emissions inspection. Check engine light on? Our computer diagnostics will get to the root of the problem. Call K & S today.