Style:1-Pack Gumout's High Mileage Fuel Injector Cleaner is specially formulated to remove carbon deposits from engines with over 75,000 miles for restored engine performance and fuel economy. Oxygen sensor safe and safe for use in turbocharged and supercharged vehicles. Will not void OEM/manufacturer’s warranty. Add entire bottle to nearly empty gasoline tank, then fill tank with up to 21 gallons of gasoline. For best results, do not refill tank until near empty. Use every 3,000 miles. Removes carbon deposits from engines with over 75,000 miles Prevents future carbon buildup on port/indirect fuel injectors, intake valves, and ports Maximizes performance and fuel economy Reduces emissions Oxygen sensor safe and safe for use in turbocharged and supercharged vehicles
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