Q Star Auto Repair is your one-stop shop for all auto repair needs in the city of Princeton, MN. We specialize in auto repair and maintenance. No matter what type of vehicle you drive, our team has the industry experience to provide you with the best service to ensure your vehicle runs smoothly and safely. Q Star Auto Repair is your one-stop shop for all auto repair needs in the city of Princeton, MN. We specialize in auto repair and maintenance. No matter what type of vehicle you drive, our team has the industry experience to provide you with the best service to ensure your vehicle runs smoothly and safely.