No issues. Using additional ounces of the product will not harm the engine.
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Your answers to frequently asked questions about Gumout® products and their use. If the answer to your performance additives question isn't below, contact us by email or by phone.
What happens if I accidently use more ounces of Gumout® All-In-One® Diesel Complete Fuel System Cleaner than required to treat my diesel fuel system?
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