Chevron Techron Fuel Injection Cleaner - 12 oz, (Pack of 6) Contains Techron technology and is designed for fuel injector deposit build-up problems Help restores clogged fuel injectors to like new cleanliness Helps remove water to fight gas line freeze Use every 1,000 miles or as needed to help keep injectors clean One 12 ounce bottle treats up to 12 gallons of fuel