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Cetane is the fuel property that is an inverse function to reduce fuel ignition delay.  A fuel treated with Gumout All-In-One Diesel, which contains a good ...

Lubricity is the fuel property that lubricates the fuel injector and fuel pump to prevent wear in the diesel delivery system. A fuel treated with Gumout All...

When cold, diesel fuel wax crystals can accumulate on fuel filters and restrict fuel flow and promote fuel starvation.  That will result in a loss of power,...

It does not matter.  Just follow the treat rate in the Direction:  Use 8 ounces of Gumout All-In-One Diesel Complete Fuel System Cleaner to treat 20 gallons...

Yes, it does, up to B20.

Use 8 ounces of Gumout All-In-One Diesel Complete Fuel System Cleaner to treat 20 gallons. Use 16ounces to treat 40 gallons. Use 32 ounces (one full bottle)...