How Long Can diesel be stored before it goes bad?

6 to 12 months
Diesel fuel can only be stored from 6 to 12 months on average — sometimes longer under the best conditions. Generally, to prolong the life of the quality of stored diesel fuel, it should be: Kept cool at around 70 degrees Fahrenheit; Treated with biocides and stabilizers.

What happens to diesel fuel when it sits for a long time?

Well, without diesel fuel additives, diesel can go bad in as little as 30 days before this oxidization process becomes unwieldy, creating deposits that can damage fuel injectors, fuel lines, and other system components which will hurt fuel economy and performance.

How Long Can diesel be stored in a tank?

How long can you store diesel fuel? Diesel fuel can remain viable for 6 to 12 months in weather of 85 degrees. After that, the fuel will begin to react with the oxygen in the tank. This reaction can lead to diesel becoming gummy.

Can I use 10 year old diesel fuel?

As for diesel, it can remain usable for between six and 12 months before becoming ‘gummy’ which, if used, can clog up filters and cause you issues with your engine.

How can you tell if diesel fuel is bad?

Signs Diesel Fuel Has Gone Bad

1. Gelling or sludge.
2. Darker color.
3. Sediment.
4. Fuel filters clogged frequently.
5. Poor fuel efficiency.
6. Damaged fuel pumps.
7. Harder to start machine.
8. Black smoke.

How do you rejuvenate old diesel fuel?

How to Recondition Old Diesel Fuel

1. Pour fifty gallons of old diesel fuel into the fifty gallon drum.
2. Measure 3.125 oz. of PRD-D or 280 oz.
3. Add the fuel re-conditioner directly to the stored fuel storage if possible.
4. Allow the old diesel to sit for a day or two.
5. Use the fuel as if it were fresh from the pump.

Is it OK to use old diesel?

In theory, you can still use diesel fuel after it has gone bad. However, it will be hell for your machines. Gelled diesel will clog filters and end up in your engines – leading to failure. The acids that form in old diesel will cause part corrosion and injector deposits.

Can old diesel fuel be used?

Old diesel fuel can become contaminated with water. If the fuel is only slightly contaminated with water the PRD-D will be able to neutralize it. Even after reconditioning the diesel may still be unsafe to burn. Use adequate judgment before deciding to use the diesel.