
Unwanted chemical reactions within aging fuel might also mean trouble over time! For instance, the evaporation of some volatile components within stored fuel might leave behind harmful deposits in your engine, or stop your fuel from igniting properly in the engine after 3+ months.īut using the correct fuel additive can eliminate any need to drain your fuel before storing the engine. In just months, untreated gas can fade in potency, varnish the carburetor, and/or prevent the internals of your fuel system from working the way they’re meant to. Over time, these liquid materials will break down and deteriorate. It’s good to know about the shelf life for both gasoline and diesel fuels. So don’t forget to add “fuel stabilizer” to your winter preparation list! Fuel is a perishable commodity. Not adding a fuel stabilizer into your tank before storing it away means that you could discover an unpleasant surprise when finally starting up your engine again.

When a seasonal machine is going to sit with gas in the tank, waiting in your garage for months without being used, it needs proper preservation. An important piece of long-time vehicle storage is making sure the fuel in your tank maintains full strength and keeps fresh, to prevent deterioration or gumming up the fuel system.
