Check the listing for details. Gumout 510011 Multi-System Tune-Up, 16 oz.. Condition: New, Made in USA. Listed at 18.11 USD. Gumout 510011 Multi-System Tune-Up, 16 oz. About this item· Use in gas, ethanol/flex fuel, diesel & biodiesel engines · Restores fuel economy and improves engine performance · PEA (polyetheramine) effectively removes carbon deposits from the entire fuel & oil systems · Stabilizes fuel and oil for up to 2 years · Helps pass emissions testing, Lubricates upper cylinders, and Fights ethanol related rust & corrosion · All engines develop performance issues over time, whether they're gas, diesel or ethanol. Carbon deposits reduce performance and fuel economy. Water and ethanol corrode key engine parts. Gumout Multi-System Tune-Up is the most advanced treatment for all types of engines, from cars to lawn mowers. It cleans and conditions using premium ingredients, like PEA (polyether-amine), to help maximize performance, fuel economy and engine life. Multi-System Tune-Up can be added in the gas tank, the crankcase or via induction. Directions: Add to fuel: For optimal results, add entire can to the tank. Fill the tank with fuel and run to near empty before refueling. One pint treats 18-21 gallons of all types of gas or diesel fuels. Add to oil: Add one ounce per quart of oil. Immediately start engine and run for 5-10 minutes to mix completely. Vacuum Intake Cleaner: May be used with engine decarbonizing equipment through the vacuum system to clean intake manifold, valves and combustion chamber. Follow recommended mechanical procedures for the equipment. Small 4-cycle engines: Add to gasoline using ¾ to 1 ounce per gallon of fuel. Small 2-cycle engines: Add to gasoline using ¾ to 1 ounce per gallon of fuel. Add 2-cycle oil as recommended by engine manufacturer. Gumout Multi-System Tune-Up does not replace 2-cycle oil. Important information Directions Add to fuel: For optimal results, add entire can to the tank. Fill the tank with fuel and run to near empty before refueling. One pint treats 18-21 gallons of all types of gas or diesel fuels. Add to oil: Add one ounce per quart of oil. Immediately start engine and run for 5-10 minutes to mix completely. Vacuum Intake Cleaner: May be used with engine decarbonizing equipment through the vacuum system to clean intake manifold, valves and combustion chamber. Follow recommended mechanical procedures for the equipment. Small 4-cycle engines: Add to gasoline using 1⁄4 to 1 ounce per gallon of fuel. Small 2-cycle engines: Add to gasoline using 1⁄4 to 1 ounce per gallon of fuel. Add 2-cycle oil as recommended by engine manufacturer. Contact us We can be contacted at any time through eBay messages if you have any questions, comments or product requests. We will respond to you within 24 hours and do our best to help you out! We encourage our customers to contact us with any questions or concerns! We'd like to be sure you are completely satisfied with your purchase.Shipping We offer FREE shipping on all orders! We ship within 7 business days of payment, usually sooner. We use a selection of shipping services such as UPS, FedEx, USPS etc. We only ship to the lower 48 states, no APO/FPO addresses or PO Boxes allowed. Local pickups and combined shipping options are not provided at this time.Feedback Customer satisfaction is very important to us. If you have any problem with your order, please contact us and we will do our best to make you satisfied.Thank you for shopping at our store