Using Sea Foam to clean carbon build up in an engine and clear a P0300 'Random Misfire' engine code

Video shows how to adjust the hook on the spray tube so it's placed properly in the throttle body ; the engine is run at 2000 RPM for almost 10 minutes while Sea Foam is sprayed and the can emptied . I video the exhaust and fast forward to the point where we see smoke as the carbon deposits clear from the engine.
Using an inline spark plug tester to verify a plug is firing : • Using an inline spark ...

[@apexalaska]

This is so crazy! I just got a P0300 code on my 2008 Highlander a few days ago. My first idea was to run a can of seafoam through it and the code hasn't come back since! Then this random video pops up in my feed right after!

[@backyardmech]

That is crazy ! Glad you had the same good luck with the SeaFoam treatment as i did Apex

[@DIYVariety]

Nice to know bud.

[@backyardmech]

Thanks HeteroG !

[@PeterHernandez-lg2eh]

I have a po302 on my 2006 Subaru sti sea foam did not help, neither did everything else I did.

[@404notfound.....]

1st from Montreal Canada 🇨🇦

[@backyardmech]

A fellow Canuck !

[@farncoisbisson7737]

Try the gumout version.. I had better result with it. Altho. BG can is the best of the best if you can physically get to every valves and brush them with the product.

[@backyardmech]

Will do if the problem happens again Farncois . Although the vans been working great since i did the SeaFoam treatment last week !

[@sstteevvee621]

It will do more damage than it fixes