15 gallon tank. How much of this product do I need?

This is not medicine where dosage is important. Drop 1 bottle into any gas tank, and fill it up so the new gas will mix the product with the whole tank.

What is considered "high mileage"? I am at 30k miles.

depends on the car company, fiat 75K is it, new engine please, mercedes, lexus types 150K, 200K diesel.

Can this be used at 17,000 miles. I have a honda civic 2020

Can be used after mileage where you think carbon from combustion has accumulated. 17k appears to be enough driving where carbon may have accumulated. Others say a good gas with detergent is good enough, and no additive is needed.

What is the EPA level?

Light to moderate with a front moving noeth fron Altuna

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⛽ Clean fuel, cleaner ride — don’t let carbon slow you down!

ECO FRIENDLY DRIVE - Reduces emissions while being oxygen sensor safe—good for your car and the planet.
FUEL EFFICIENCY UNLEASHED - Cleans fuel injectors, intake valves, and ports to maximize MPG and smooth acceleration.
ENGINE REVIVAL IN EVERY DROP - Specially formulated for high-mileage engines to erase carbon buildup and boost power.
ROUTINE MAINTENANCE MADE EASY - Just add to your tank every 3,000 miles for consistent peak performance.
TURBO SUPERCHARGED APPROVED - Safe for high-performance engines without risking your manufacturer’s warranty.

Gumout 510013W-6PK Fuel System Cleaner is a 6-pack solution designed for vehicles with over 75,000 miles. It effectively removes carbon deposits from fuel injectors, intake valves, and ports, restoring engine performance and fuel economy. Safe for turbocharged and supercharged engines, it prevents future carbon buildup, reduces emissions, and won’t void your OEM warranty. Use every 3,000 miles for optimal results.

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Manufacturer	Gumout
Brand	Gumout
Model	510013W-6PK
Item Weight	2.49 pounds
Product Dimensions	5.56 x 3.69 x 9 inches
Item model number	510013W-6PK
Manufacturer Part Number	510013W-6PK
Voltage	12 Volts

Gumout 510013W-6PK Fuel System Cleaner, 6 Pack

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