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How often should I use Gumout fuel additives?

24 June 2014

All Gumout fuel additives include specific directions for use. But each product has also undergone rigorous “no harm” testing and can be used as often as every fill-up. Our usage recommendations for each product are based on testing in a number of different vehicle types, though the benefits in your vehicle may vary. For best results, use these products at least as often as recommended on the package label.