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Discussion Starter · #1 ·
I topped off my tank last autumn but never put in any diesel stabalizer or whatever it is. Do I need to put in new diesel or is there a way to tell if the diesel is good or not?
 

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Sailor
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935 Posts
You're good. Just put some biobore jr in to treat the tank.


Mandolin, Bayfield 36 out of Rock Creek, Chesapeake Bay.

Sent from my iPhone using Tapatalk
 

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Tartan 37
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5,436 Posts
You can have a test done, and/or have the tank scrubbed and the fuel filtered. See what folks have used in your area, something like Dr. Fuel Clean - The Cure for Diesel Engines

Prices can vary greatly, so shop around.

A often highly suggested stabilizer is by Valvtect. VALVTECT BioGuard Plus 6 Fuel Microbiocide | West Marine

Mainesail just did a great write in another thread about tank condensation, his test showed no water in the tank. Bacteria is another story. My boat sat for two years, I had the fuel removed and the tank cleaned, glad I did
 

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ancient mariner
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439 Posts
since we have colder weather than most of you, the fuel is fine in the tank all winter. i just start the engine after launch & it runs fine.
 
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