Is it okay to add a whole bottle of Sea Foam to the gas tank? [SOLVED]

Hi Jim, my wife put the whole bottle of Sea Foam into the engine. It is a 2010 Nissan 2.5 litre vvt engine. Is this a bad thing? Should I be draining it right away? Would it be ok to run it for a while with that much in the engine.
Thank you!
Wayne

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Jim D.
Jim D.
2 years ago

Hi Wayne,

No worries – completely fine! Sea Foam is made with 100% petroleum ingredients that can’t harm your engine. In fact, the higher the concentration of Sea Foam to fuel, the better and faster it cleans. Adding a full can to a 1/4 or 1/8 a tank and driving it for a while is a great way to clean your engine. Go ahead and run it as usual.

[EDIT:] It appears that you could be referring to adding a whole can of Sea Foam to the crankcase. If so, drain and replace the oil if you have heightened concern. If your oil is new, can drain 3 quarts/add 3 new quarts.

Last edited 1 year ago by Brian Miller
David
David
1 year ago

Wayne, I have been using SeaFoam for years in my 6.0 Powerstroke to keep the engine clean. However, my turbo is now sticking. If I increase the ratio of SF to diesel will it remove the soot from the turbo? If so, how high a concentration should I use? I was thinking 50/50. Thanks.

Josh D
Josh D
1 year ago

I’m thinking maybe Wayne meant into the oil crankcase. Or else he’d probably use the term gas tank and not engine. Either way, what about dumping a whole bottle into the crankcase. What then?