How much water in a gas tank will ruin it?
How much water in a gas tank will ruin it? A full cup of water or less can hurt any car's engine. While some very small amounts of water may find its way into fuel tanks naturally, any more water than this will cause a car serious problems. How do you treat water in gas? The best way to remove all water from the gas tank is to drain and refill your gas tank. This may seem like an expensive alternative to some drivers; however, the damage that you will be avoiding to your car is more than worth it....