When the temperature in your car’s gas tank gets too low, the first thing that may cause problems in that part of the car is water. If there was some condensation or moisture in the car’s fuel system, it might freeze up and clog fuel lines. In that case, you must wait for it to melt, or your car could stall or not start.
That’s another reason we say it’s a bad driving habit to leave your car with a low gas tank. A full tank leaves no room for condensation, and you can avoid the complications that can come with water’s freezing point with some topping-up diligence. While some gasoline types already have anti-freeze in them, you could be extra careful and add some anti-freeze by pouring it into the gas tank.
But the real problem you should worry about in extreme cold is your car’s battery. Around -40 degrees Fahrenheit, the electrolytes in your car’s battery could freeze and damage it. Interestingly, the less charged your battery is, the higher the freezing point. Therefore, you should ensure your battery is charged in the cold, especially because car batteries are more likely to die in winter.
