If U Have Low Gas Will It Freeze Easy
By Tsukasa Azuma
Last updated Jan 05, 2021
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An automobile is a sophisticated machine that does not function properly in extreme conditions, like blazing hot summer and icy cold winter. In particular, winter does many terrible things to the engine and body of a car. You will have trouble starting the engine in wintry days and long-term exposure can slowly rust the body. But can gas freeze in your car ?
Many drivers believe in the gas freezing myth. Most of you have heard that the gas in your car can freeze in winter if the tank is less than half full. Indeed, cold weather can badly impact your car and home in many ways but freezing gasoline is unlikely to be one of them.
Can Gas Freeze in Your Car? What does the Science Say?
A dramatic temperature drop causes many unwanted side effects on your car. Lots of drivers never let their gasoline tank be empty below the halfway fill level in the fear that gas could freeze and ruin the gas tank.
The concern is real and scary because fixing or replacing a damaged gas tank would be expensive. But can gasoline freeze this way?
What Temperature does Gasoline Freeze?
Gasoline freezes at around -100 degrees F. This figure may slightly vary based on the ingredients mixed into the fuel. For example, octane has a higher freezing point. Also, diesel fuel has a higher freezing point than gasoline and fuel gelling can occur when the temperature drops below 32°F. for this reason, many fuel companies sell different fuel blends for summer and winter. The summer blend contains some additives that prevent it from gelling at low temperatures.
It is almost impossible to ice up gasoline because none of the inhabitable places on earth have that kind of temperature. Of course, Antarctica is colder but you are not going to drive a car there. So, the concept of frozen gasoline is highly unlikely to happen.
You don't need to be worried about frozen fuel when running your car with gasoline. However, cold weather will still have some damaging effects on the gas tank, fuel lines, and the engine. There are several ways that can cause moisture build-up inside the gas tank. If that happens, the fuel will freeze up at a far higher temperature than -100 degrees Fahrenheit.
So, can gas freeze in your car when the gas tank is low? Unlikely. But low temperatures will create other kinds of problems.
SEE MORE
- How Many Winter Tires are Enough for your Car
- Covering Cars in Winter: What People from Cold Countries Do?
The Problems of Low Fuel in the Gas Tank
The low freezing point of gasoline means that cold temperatures cannot ice it up even when the tank is low on gas. However, driving with a low fuel tank is bad for the engine's health. If you constantly leave the tank at only 1/4-th portion full and keep driving, one of these following issues could occur:
The gas line will freeze if there are any condensation or water droplets inside the line or tank. This condition damages the engine mechanism and the vehicle may end up being dead.
Extreme cold may break down the gasoline into its elements, leading to forming wax crystals. When this happens at an aggressive rate, this wax materials cause a state called 'gelled fuel', which cannot flow through the fuel lines.
Also, the fuel pump has a shorter lifespan if you never bother to keep the tank more than half-full. Remember that the fuel gauge may show more than the level in the fuel tank, especially when the weather is cold. The safety measure is to check regularly. Otherwise, you may be stuck in a remote place with a dead engine and an empty fuel tank.
How to Avoid Low Fuel Problems
Well, the obvious solution is keeping the tank full or almost full. But you cannot do that all the time because you may simply forget filling up. Besides, many people don't notice until the system gives warnings for an almost empty tank.
The good news is you are unlikely to face most of these above-mentioned issues because both the fuel injection systems and ethanol-based gas have been improved during the past decades.
To avoid the freezing of the gas line, make sure the line is fresh and free of leaks. Any crack or hole lets in moisture, causing the line to ice up when the temperature gets cold. Another effective measure is to avoid alcohol-blended fuel, particularly when the weather in your area turns freezing. Alcohol draws in and retains moisture, causing the fuel to harden at a high freezing point.
However, it is not always possible to keep moisture away. To protect the gas line, you can occasionally use an anti-freeze additive to defrost any water build-up.
Can gas freeze in your car when the fuel level is low? Yes. But you can avoid this trouble by taking a few simple measures.
Source: https://carfromjapan.com/article/car-maintenance/can-gas-freeze-in-your-car/#:~:text=Many%20drivers%20believe%20in%20the,to%20be%20one%20of%20them.
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