Do Fuel Additives Work in Your Car?

Do fuel additives work? Fuel cleaners and additives for the fuel system in your car. Fuel cleaner and additive theory, testing, and how they work, with Scotty Kilmer. Cars and the fuels they use have changed over the last 46 years I've been working on cars, so you need a cleaner that works with these changes. DIY car repair with Scotty Kilmer, an auto mechanic for the last 46 years.

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⬇️Things I used in this video:
5. Common Sense

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⬇️Scotty’s Top DIY Tools:


Things I used in this video:
5. Common Sense

🛠Check out my Garage to see what I use every day and highly recommend:

❗️Check out the Scotty store:

👉Follow me on Instagram for the latest news, funnies, and exclusive info / pics:

[RandyBakers]

I love how every sentence you're in a different location lol

[pvcarmon]

I have been a mechanic for 24 years this man's word is gospel!

[gageperez-reynolds]

I’m 25 years old and don’t even have half of the energy you bring to this world. Keep on keeping on brother! Thanks for all the tips!

[gabem]

I used the Gummout additive for 3 tank fulls and noticed a huge difference in fuel economy and performance. It also fixed an intermittent rough idle during cold startup. Thanks for your help Scotty!

[bravox]

Scotty Kilmer..come for the goof, stay for the truth.

[davidpyper]

Scotty, I tried out this stuff and it works great. I got a lot of power back in my 2005 chevy equinox. Thanks for your time and awesome videos. Keep them coming!!!

[flyyceo]

Was having terrible fuel mileage issues in my 2016 Kia Sorento Turbo GDI. Slow lagging up hills. On the highway around 70 I’d get loss of power couldn’t accelerate tried other cleaners came here to Scotty tried Gumout…got power back almost immediately! Scotty you saved me time and money! Easiest subscribe like and notification follow I’ve ever decided to give! Your a Godsend!

[sickb]

"You don't have to buy a real expensive one. You can get 'em for 80 or 90 bucks these days. They're all made in China." I love this guy. He could be doing TV commercials.

[TampaAries]

Scotty you should be my next door neighbor lol...I have to say a silent prayer everytime i go to crank my car up, would be nice to have someone with knowledge about cars to tell me what i need to do.

[travispratt]

Great video man I especially like how you actually provided evidence that the product you used cleaned the engine out, so easy for companies to sell snake oil, not saying it’s definitive proof the product worked, but definately better than just saying “I used this and it made my car more better” =)

[kooldoc]

Hey Scotty just watched this video of yours that's 4 years old, I'm a new subscriber of yours, I'm already doing different, effective things to my car thanks to you, I already love ya man!!! Keep up the great work!!!

[Criglet]

I've used Lucas Oil's in the past and it seems to work pretty good.

[ashleyelliott]

Wow! That stuff really made a difference! Thank you

[billforbes]

What a legend. I've never seen nor heard such sound common sense. His advice and comments most appreciated - sincere thanks.

[pedrofernandez]

Scotty can you do a video on the effectiveness of cleaners on fuel injectors and not just on pistons?

[therealkilleryoss]

I use Seafoam on my Truck and the stuff is the best!!
Tried all the other cleaners but Seafoam is the best period! I can pour into the oil before an oil change, suck in into the suction line, or just simply add it to the gas.
That stuff has my truck running so smooth, the engine feels like new!!

[stevenlowery]

I watched one of scotty’s now I can’t stop watching

[AlbMen_]

God... Scotty is a national treasure! Love this guy.

[DirtyMuthaFugginD]

Well Scotty, I have to say thank you and I appreciate you! the time you take to educate everyone is awesome! I grew up wrenching on cars, trucks and motorcycles with my old man (he kinda ran a what you would call a drive thru "chop" shop lol) mainly to custom build hot rods and Harley's. but anyways, I'm 40 years old and battling c.t.e. but of everything I've forgotten over the years, I can still wrench with my eyes closed, however I still forget simple things that I should know, as far as old school tricks that even work on more modern vehicles. So I thank you for having these videos to spark those reminders in the back of my head! once again, thank you for all of your hard work and time!