How do you know your gas furnace has a dirty flame sensor? The short answer is that the furnacedoesn't work, which is problematic to say the least in the middle of a cold winter. More specifically, you'll probably hear the furnace's electronic ignition clicking, and the burner will come...
Every spring, when converting back to biodiesel, fuel filters would plug up continually and it would happen again during the transition to straight diesel. If a piece of equipment, say a loader or motor grader, had biodiesel in the tank and it wasn’t used much, the fuel ...