Protecting Your Fuel System: The Risks of Storing Gasoline in Hot Weather

I’ve found out the hard way… Storing gasoline in a jerry can during hot weather can pose significant risks to both your safety and the performance of your vehicle. Understanding these risks and taking preventive measures is essential for maintaining a safe and efficient fuel system. In this blog post, we will explore the potential issues associated with storing gas in hot conditions, how this can affect your fuel pump, and what you can do to protect your gas can from overheating.

The Risks of Storing Gasoline in Hot Weather

1. Pressure Buildup and Explosion Risk

When gasoline is exposed to high temperatures, it expands, leading to increased pressure within the gas can. If the can is not properly vented, this pressure can cause the can to rupture or explode, posing a serious safety hazard.

2. Fuel Degradation

Heat can degrade gasoline quality, causing it to lose its potency and form harmful deposits. This degradation can clog fuel lines and injectors, leading to decreased engine performance.

3. Fire Hazard

Gasoline is highly flammable, and heat can increase the risk of leaks or spills. In the presence of a spark or flame, these fumes can ignite, creating a dangerous fire hazard.

4. Fume Buildup

If the gas can is stored in an enclosed space, such as a truck bed with a tonneau cover, fumes can accumulate, posing health risks and increasing the likelihood of an explosion.

How Hot Weather Can Affect Your Fuel Pump

1. Vapor Lock

High temperatures can cause gasoline to vaporize quickly, leading to vapor bubbles in the fuel line. This condition, known as vapor lock, forces the fuel pump to work harder, potentially leading to overheating and blown fuses.

2. Increased Pressure in the Fuel System

As gasoline expands in the heat, it can create increased pressure within the fuel system. This added strain can cause the fuel pump to draw more current, leading to blown fuses and potential pump failure.

3. Overheating of the Fuel Pump

If the fuel pump is forced to work harder due to clogged filters or degraded fuel, it can overheat, leading to electrical issues and blown fuses.

Your Experience with Fuse #27 in a 2013 F-150

Many owners of the 2013 Ford F-150, including myself, have experienced issues with fuse #27, which is responsible for the fuel pump relay. In my case, the fuse blew unexpectedly, leaving me stranded and unable to start the truck. After some research, I discovered that this problem is common among F-150s, often linked to overheating and electrical strain caused by the fuel pump.

The melting of fuse #27 can be attributed to increased current draw from the fuel pump, especially when gasoline quality is compromised by heat exposure. This situation can lead to a cycle of overheating and fuse failure, making it crucial to address the root cause by maintaining proper fuel storage practices and considering fuel system cleaners.

Protecting Your Gas Can from Overheating

1. Ventilation

Ensure that your gas can is properly vented to allow expanding vapors to escape, reducing the risk of pressure buildup.

2. Insulation

Store the gas can in a cooler area or use insulating materials to shield it from direct sunlight and heat.

3. Reflective Cover

Consider using a reflective tarp or cover to protect the gas can from sunlight, helping to keep it cooler.

4. Avoid Enclosed Spaces

Do not store gas cans in enclosed areas, as this can trap heat and fumes, increasing the risk of fire and explosion.

5. Regular Checks

Monitor the gas can for signs of swelling or leaks, and ensure it is in good condition to prevent hazards.

Recommended Fuel Additives for Cleaning the Fuel System

If you suspect that your fuel system may be affected by degraded gasoline or buildup, consider using a fuel additive to clean it. Here are some top recommendations:

  1. BG 44K Fuel System Cleaner: Known for its effectiveness in cleaning the entire fuel system, including injectors and the fuel pump.
  2. Red Line Fuel System Cleaner: Contains a high concentration of PEA, making it a top choice for maintaining fuel system cleanliness.
  3. Techron Concentrate Plus: A popular option for cleaning fuel injectors and improving overall performance.
  4. Gumout All-in-One Fuel System Cleaner: Cleans the fuel system while also treating ethanol-blended fuels.
  5. Seafoam Motor Treatment: A versatile option that many users report positive results with for cleaning fuel systems.

Storing gasoline in hot weather can create a range of risks, from pressure buildup and degradation of fuel quality to potential issues with your fuel pump, such as the common fuse #27 problem in the 2013 Ford F-150. By taking proactive measures to protect your gas can and using quality fuel additives, you can help ensure the safety and efficiency of your vehicle’s fuel system. Always prioritize safety and monitor your fuel storage practices to avoid potential hazards.


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