Fuel Stabilizer: To Use or Not To Use is the Question

Fuel Stabilizer: To Use or Not To Use is the Question


From forums to home improvement blogs, there’s been a lot of talk about fuel stabilizer. What does it do? How Fuel Treatmenteffective is it? I’m definitely a tinkerer—trying all different kinds of maintenance techniques and products—and here’s my take on fuel preserver and how to use it.


What Does Fuel Stabilizer Do?

For one thing, it keeps your small engine’s fuel tank from corrosion, minimizing the accumulation of moisture that causes carburetor-clogging rust. When putting away your small engine powered equipment, add the fuel preserver according to package directions and then run the engine for a few minutes to circulate the solution through the carburetor. Alternately, store your snow removal and lawn maintenance equipment with empty tanks.


Pick the Right Fuel Type

Unsure of what gas to put in your in your small engine in the first place? Well, it depends on what it’s powering. Briggs & Stratton offers a useful fuel recommendations guide. And don’t use ethanol! More on that below.

To learn more about choosing a fuel and some facts and myths about it, check out the guide to boutique fuels and fuel comparisons by Popular Mechanics.

Avoid Using Ethanol

While ethanol and flex fuel may be great, eco-friendly options for your car, avoid using it in a small engine. E15 fuel attracts moisture that separates from the ethanol. When this happens, a layer of water and alcohol is created at the bottom of your fuel tank that can severely damage it and will likely void your warranty. 


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