Looking for savings on oil changes, car service and repair, and maintenance service? Our friends over at Precision Tune Auto Care have you covered. They regularly offer savings through their email newsletter and website. Just go to the website, sign up for the newsletter or search for a shop in your area for deals. They vary by shop, so make sure to check all shops located near your home or work for available coupons. Over 30 Precision Tune Auto Care shops in California, Oregon, and Washington are loyal Carhelp service providers. Which means all work is guaranteed for 12 months or 12,000 miles.