Can a 20 gallon diesel tank go bad?
Can a 20 gallon diesel tank go bad? A gallon or two of diesel in a 15 to 20 gallon tank otherwise full of gasoline isn’t enough to cause problems. If anything was going to go wrong, it would already have happened. The car would have stopped running because a spark plug won’t ignite diesel. Can you put unleaded gas in a diesel tank? The point is a small amount of gas in the diesel fuel will do no harm. But the injection pump needs lubrication from the fuel. If the fuel is too diluted, or not oily enough, it...