Diesel Fuel in Cold Weather: Precautions and Solutions for Winter Operation

Posted on December 22nd, 2023 by Devine Bros

When temperatures drop during winter, it’s not just your vehicle’s battery and tires that are affected. Cold weather can also impact your truck’s diesel engine and fuel system, causing starting problems, reduced power, and poor fuel economy. While diesel fuel is known for its durability and stability, it can’t perform at its best in freezing temperatures without proper precautions. We’ll discuss some tips and solutions to help you operate your diesel engine smoothly, even in the coldest conditions.

Keep Fuel Tanks Full

A simple but effective tip to prevent fuel from gelling in cold weather is to keep your fuel tanks as full as possible. This is because empty space in a fuel tank can accumulate water vapor, which can freeze and cause fuel lines to clog. By keeping the tank full, you reduce the space available for water to build and minimize the risk of blockages. Remember to add a fuel stabilizer to your tank to prevent microbial growth, particularly if the fuel will be stored for extended periods.

Warm-up The Engine Before Driving

Diesel engines require more time to warm up than gasoline engines, especially in cold weather. Cold engines are less efficient and more prone to wear and tear, so it’s important to give them enough time to reach their optimal operating temperature. Start the engine and let it idle for a few minutes before driving, and avoid high rpm or heavy loads until the engine has warmed up.

Install a Coolant Heater or Block Heater

One of the most effective solutions to prevent cold weather starting problems is to install a coolant heater or block heater. These devices warm up the engine coolant or the engine block itself, making it easier to start the engine and reducing wear on the battery and starter motor. Coolant heaters are usually installed in the engine compartment and connected to the engine’s cooling system, while block heaters are installed in a freeze plug on the engine block. Both types of heaters require an electrical connection, usually a plug that can be connected to a power outlet.

Contact us for All Your Diesel Fuel Needs

Helping Norwalk homeowners improve their lives is something Devine Brothers has been providing to their customers for over 100 years! If you’re interested in learning more about our service or need supplies, make sure to get in contact with us today! For more tips & tricks, make sure to like us on Facebook!