Fault Codes/Gillette Generators, Inc./58Gillette Generators, Inc.58UnclassifiedFuelWhat This Code MeansFuel high levelRelated Gillette Generators, Inc. Fault Codes535257565554Browse all Gillette Generators, Inc. fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 58 on your specific Gillette Generators, Inc. unit — cited to the OEM manual, not a forum guess.TRY IT FREE