FUEL INJECTORS - How They Work | SCIENCE GARAGE

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Fuel Injectors feed your engine the precious fuel it needs to live! But how do they work? Join Bart as he explains the intricate workings within your fuel injectors: port injection, direct injection and indirect inject...then blows something up. Why is Bart always blowing stuff up?
Bart teaches us how cars work buy blowing stuff up and cutting things in half. It’s a science show for the car lover who’s easily bored. Join Bart as he explains the science behind everything automotive. This is cars down to the atom. This is Science Garage.
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[@MaxSpeedMike]

Who needs school when you have donut media

[@philipcooper8297]

I'm gonna have fries with that.

[@anglegrinder]

Learning about cars is one thing, working on cars is another slow down buddy

[@Donut]

we'll never send you to detention

[@MaxSpeedMike]

@@Donut haha love ya man

[@MaxSpeedMike]

@@anglegrinder it's all good I work on all of my cars. I have been for about a year now. It's a lot of fun, it's frustrating, it's time consuming, and almost never goes as planned. Like I said, still fun tho 😉

[@arvin4102]

Science Garage is like Fuel Injection. I always get the perfect mix of humor and science injected in my brain. 😂😂😂

[@carft1234]

love this cooment ❤

[@laczodani]

and what's the ratio?

[@duosonic391]

36-24-36

[@guac8927]

Lol

[@edi07ish]

it's science injection

[@hughjarse4627]

I work as a fuel injection engineer and it’s the hardest job to explain to people, I’m going to send them this video in future 😂

[@StillRenderFilm]

Have you ever met people who says stuff like "In one year or two gasoline car will be illegal and you will be out of job"?

[@Dinara1up]

Pretty sure I'll stop talking them if if they don't what that is. Yes I'm fun at parties

[@hughjarse4627]

Still Render Production I only do diesel injectors and pumps mainly marine so no but in England diesels are getting blamed for the world ending atm

[@Salpeteroxid]

You should get some new people that, nearly everyone I know knows what a fuel injector is. Btw people are stupid, have been trying to explain my job as a train mechanic lol. They don't understand the concept of a depo.

[@orficaldari3524]

Salpeteroxid How big are train engines displacement wise? I've always wanted to know

[@Rival-Sama]

Bart injecting knowledge into my mind.

[@neglectedretard8386]

Fuck me with kaka

[@Z4G.]

Knowledge is not the only thing Bart is injecting.

[@JakeTheBear1]

Fure!

[@LuisSierra42]

@@Z4G. #nohomo, but i like it

[@4dirt2racer0]

and inaccurate info lol indirect injection isnt only in diesels so what else isnt accurate.. makes u wonder

[@SahnigReingeloetet]

Sometime in the future, the whole Donut squad will be able to build a whole functioning car simply because of Bart. I‘m looking forward to that

[@tomroberts9266]

Dear Santa...

[@alternatemusicaddict5226]

I am from the future the day will never cone

[@andrejcupac7359]

@@alternatemusicaddict5226 😪

[@Bangers_mostly]

that did not age well. wish it did tho

[@spillz_0o0]

Wow this comment didn't age well

[@stantonsellers2137]

I miss this guy, I run a shop and sometimes when people don’t understand or want to understand my explanations to things I send them links from this guy, bring him back he’s better than Nolan, sorry Nolan still love you. Even your twin brother who works at pep boi’s!

[@jishan6992]

But Nolan doesn't do anything related to science or science garage.

[@tyrealjoseph7634]

Fr

[@PaulRudd1941]

@@jishan6992 i think the closest match to Bart would be Jerimiah. I think Jer is pretty close to replicating Barts' magic but I know it's not the same.

[@PoisondBacon]

This guy puts things into the best words possible for me. I’m not the best at learning things but this guy helps me tremendously

[@MaxSpeedMike]

Is this engineering explained!?

[@MeekElect]

I can't see any Honda so it can't be

[@fabio7500]

No, this is better

[@Rayray2455]

this is a lot better

[@TheWaldmoped]

Kinda, but on crack.

[@Ben-wj4rq]

This is better

[@Foldingblade]

Yee this is better than school

[@duramax6411]

vay better

[@mhdfrb9971]

🇲🇾🇲🇾🇲🇾🇲🇾🇲🇾🇲🇾🇲🇾🇲🇾🇲🇾

[@bobmcboblin]

im imagining a LS engine powered wagon

[@_.Mercury._]

Special Dude wtf

[@robbiesmith6033]

yee indeed

[@justins7796]

*Injector?* I barely know her.

[@randomknight2585]

Justin S *insert laugh track here*

[@John-xf9qn]

*group of guys start slow clapping at different rates*

[@nomimalone7520]

Whoever does the graphics for this show deserves a raise! They're really good!

[@girlsboost2976]

They squirt the gogo juice into the boom Factory to make more zoom!

[@MikeJones-sw2tq]

Girls Boost2 hahahaaa yes!! (That earned you a sub)

[@girlsboost2976]

Mike Jones - :) thank you! I know it’s just the one video for now, but we have new content coming this next weekend.. (journey to top speed limiter).

[@MikeJones-sw2tq]

Awesome, I’ll have to show the wife and hopefully encourage some faster driving. She can turn a half hour trip into an hour or more simply driving like a snail!

[@girlsboost2976]

LoL I’m sorry to hear that... not THIS momma.. I got places to go and people to see! #ZoomZoom

[@fordgalaxie3695]

But my car goes vroom :(

[@ElsonHD]

Literally just got back from work to see this. Its a bloody good day boys!

[@demonlama8916]

if u had night shift then goddam cuz I cant do night shift u must be one Hella tough person to work at nigh.

[@ElsonHD]

maStEr LemOnS Nah fella I'm from the UK I just did the bits in work and got out early!

[@John-mf6ky]

Same, I'm a few hours late tho haha

[@TheGreatSovietUnion2]

I highly appreciate this guy's enthusiasm. Keeps me coming back, and even watching the ads....

[@BloxHarborHero]

I miss garage science, it’s super entertaining and educational

[@thugasaurusrex6004]

Carburetor gang We out here We innit We can't go up hills too steep for too long but we innit

[@nickrogers8606]

Austin Massey 85 CRX HF - what’re y’all reppin

[@tyler9381]

Nick Rogers its not mine, but my dad owns a 1971 corvette

[@ghettogecko2266]

Nick Rogers 910 Datto 😂👌

[@techfreak9097]

Hell yeah, brother

[@thugasaurusrex6004]

Nick Rogers 89 Caprice classic lol. My daily driver. It's nothing special lol. Lots of feeling towards it tho, it's my grandad's, and it has less miles on it than just about any used car you could find lol. I'm giving it the driving it deserved in it's sunset years. If I have anything to say about it I'll keep it going for a very long time.

[@jonaslavicka2411]

1:04 *PERFECTLY BALANCED AS ALL THINGS SHOULD BE*

[@kensebben1]

*hears loud finger snap in the distance*

[@LuisSierra42]

There was an idea

[@skullcruncher76]

Donut Media, thank you for all these educational videos. It has helped me a lot. Especially when working on my 4x4. I hope y'all do a diesel engine comparison from ford, GM and Dodge.

[@tduffdesign]

RAMCHARGERS!!!

[@chowtownfoodreviews6679]

Good idea wrong guy lol email james

[@EvilishDem0nic8732WhatItDo]

RAMCHARCHER

[@sergeantspeed5941]

RAMCHARGERS!

[@Savage-wp1wo]

RAMCHARGERS!!!

[@patchipatchi1]

🐏chargers!

[@johnh1001]

Good Day ! I really enjoyed your Video . I still remember talking to older guys very long ago regarding first generation mechanical fuel injection . This being a WW11 great big V12 Messerschmitt engines . The retired men spoke of taking the engine out of a crashed ME 109 or BF 109 in France during WW11 . Then trying to secretly move the engine to England for disassembly and inspection . Allied forces knew of "Mechanical Fuel Injection" but had never seen it all put together . The Messerschmitt camshaft was indeed a very interesting thing for them .

[@tokenplays7334]

Glad u guys exist. I love cars a lot but know only so much general things about cars but you guys explain everything so easily

[@John-mf6ky]

Never stop making this series! This and up to speed complete donut media ❤️

[@DungarooTV]

Donut media makes technical things easy and fun to understand. Love it. Please keep up the great work.

[@SerpentXTech]

Thank you as always, keep the crazy informational content coming. Your nuts man!

[@raymondmiller8664]

I love these videos. Perfect mix of information and humor. Keep em comin boys!

[@eitan8144]

I got diabetes from all this cake analogies

[@CompactCowboy]

I like this, much much better than learning about how probability is blah blah blah because things are random and have no definite assurance that a coin will flip a certain way.

[@eddiepires3998]

Just gotta love the presentation style , informative and entertaining :-D concise and well explained great video

[@MrSanfrinsisco]

Not gonna lie, at the beginning of the video I was cringing a lot but by the end of the video I was really vibing with your energy. Really great video!

[@Yotemz]

I have never been explained about fuel injection as simple as he explained it.

[@shtopfl5247]

You missed one kind of injectors there are also pressure driven injectors which don’t require electronics to work but get operated just by the pressure which is sent to them which presses the diesel fuel through a tiny fitting which houses the tip of the injector movable upwards, when now a certain pressure (they are rated in pressure categories) gets sent into the injector it opens and Sprays the fuel mechanically without the need for computers 😊 its normally a lower pressure of 250 bar for example

[@uzielsaldivar8038]

Stefan Walter don’t correct Bart, he watches you when you sleep

[@SNL92100]

HUEI!!!!

[@thepawchoe2749]

When yt has more available free content for any starting and master mechanic than technical schools.

[@bryanb8404]

“36 24 36” I’ll never get over the Sir-Mix-a-Lot reference 😂

[@lukesniekers4401]

I graduate from high school tomorrow but look it's 12am and this video just came out soooooo

[@techfreak9097]

@shadowninja81500 where do you live? Mine is in may

[@brianvelez5153]

Wow this aged accurately

[@peterbergman5710]

9:47 was the most beautiful thing I have ever seen

[@captainlass9718]

I think you should see more stuff

[@dmravi13]

Man I love this guy. Makes everything so much more interesting.

[@KeeDaMok]

I love this guys energy. Its contagious

[@bran.450]

I like how in the diesel demonstration there was a spark plug😂

[@guacamoleweiner69]

A natural gas engine is basically a diesel engine with spark plug😂

[@HeyItsCoates]

You guys should collaboate with Hoonigan and do a series called Science Garage Garage Garage, or maybe just Science Garage Garage.

[@hitman1267]

Love this guy, makes my day

[@Th3_0_h8]

Never stop making science garage videos. I love them

[@papapumphrey8135]

36 24 36 she’s a brick house

[@sergeantspeed5941]

only if she's 5'3

[@CanadaBud23]

Works good on ladies that 5-9 or 5-10 though :P

[@gsdfan8455]

She's mighty mighty

[@CalSticks]

just lettin' it all hang out

[@EddieRod]

But handles like a bistro.

[@chowtownfoodreviews6679]

You know what I think would be an interesting one even though you already did turbos and anti lag which thank you very much for doing my suggestion wastegate internal and external

[@crunchynutcornflakes]

After all these videos, Bart's saved up and bought himself a watch :) thanks for the great vids guys

[@matthowarth2995]

Came here to help write an assessment on the advantages of direct injection over indirect. Left knowing how to make a cake.

[@Tarkov.]

Wouldn't saying Fuel 5 times in a sentence summon Metallica?

[@duosonic391]

As long as there is fire and that which you desire.

[@CanadaBud23]

He listens to Fuel every day. It's what gets him going every morning! Like Low rider in Gone In 60.

[@PaulRudd1941]

Either that or a Milwaukee rep.

[@BPEKSupraInteractive]

For some reason, I have a feeling this guy like cake...

[@903lew]

I get that it doesn’t get as many views as putting expensive parts on rubbish cars but I appreciate this content so much more.

[@jetbound2]

Phenomenal teaching! Well done sir! Hope you get some fantastic cake for this!

[@joaob.almeida5176]

Episode on skyactiv x engine

[@burnintrees420]

kzbin.info/www/bejne/fmeQZGt9g7qdfaM

[@sl8rzen]

Im not doing 200 of anything! LOOOOOOOLLLL

[@williambroyhill7638]

Very good explanation and fun to watch.

[@leftmorningstar6954]

Bart you are injecting knowledge into my mind.

[@UltimatumDemon]

This is so fascinating, I'm learning alot from a guy who don't know sh't. :DDD

[@DaviesOnyango]

Don't F1 engines that run on gas use indirect injection as well? Ignition is initiated in a pre-ignition chamber that then send several columns of flames through numerous holes into the main chamber in different directions to evenly distribute ignition.

[@DaviesOnyango]

@@DTLfan396 so did sky sports and the restriction did lead to the innovation to maximize efficiency and power output. I asked mostly cause I wasn't sure if the f1 implementation would be considered indirect injection as it's slightly different than the one he just talked about in diesel engines.

[@MrAjit-kr3qo]

Thank you square face to sponcer thia vedio.. we get some knowledge 👌👌💯💯

[@jasongeisendorff1506]

I love all of you guys at Donut. Bart, James, Nolan, all you guys are awesome.

[@benjurmind1318]

"Nickelback, Nickelback, Nickelback!"

[@AbandonAllArt]

Watching this on the toilet bc I get notifications

[@Donut]

hope you washed your hands

[@AbandonAllArt]

@@Donut i used my phone screen, therefore this shitty video

[@43videogamemaster]

AbandonedArt you're gay

[@screwstefan3871]

i legit im mind blown how much i learned from these episodes :D

[@jeff2235]

Fantastic video. Informative and interesting.

[@jayayebee]

36-24-36? Only if she's 5'3".

[@jamesrodriguez5576]

Baby got back

[@TransGirlGaming]

What if she's shorter?

[@Xxassass1n021xX]

What does it mean

[@timi935i]

36 24 36, AC/DC reference?

[@deletdis6173]

@@Xxassass1n021xX 36" chest 24" waist 36" hips

[@carmelothegoat1892]

Golden Slate Slarriors 😂😂😂

[@calebbrown2095]

Love your channel man

[@gnanaprakash-ravi]

Wow best explanation about fuel injector I had ever seen

[@kingotime8977]

HCCI Engine video confirmed?!

[@DeavenLaxton]

I SAW THAT. 36 36 36 !!!!!! or maybe it was a different number... but the '24' was edited in. HA.

[@TyHudg]

Much improved balance of info to jokes! Keep up the stellar work Nolan!

[@nairityatarnekar6120]

Thank you so much, I am wating for this 😀😀😀

[@bbob5050]

Donut Media > Engineering Explained (no hate but I’m a visual learner)

[@govinlock8568]

same here, but I would watch Engineering Explained for more detalis.

[@SuperSaiyan32]

Mazda Gang! We out here! Like if you own or owned a Mazda

[@dunkelheit8594]

I owned a Mazda toy car so I liked

[@jessicaa5579]

Dude! I love your spunk lol. Thanks for helping me understand this stuff.

[@morkovija]

Another amazing episode. Can't wait till we get to electric engines, controllers, batteries, charging systems

[@vincecloudchaser2486]

If I have to comment on every video I would edure to type every single day...PLEASE DO THE **CARBOYS** AGAIN 😄

[@friednoodles2367]

RAMCHARGERS

[@masshole1373]

I love this guys energy

[@Mr_frost467]

Please bring this guy back

[@brendantaylor6879]

Does anyone else have to turn down their volume when watching Science Garage? Why does Bart have to yell all the time??

[@unrecordable]

The spirit of Bill Nye and high octane espresso beans fuel him.

[@hackdeez1075]

Nah headphone user and don't have to change volume

[@linusnanor1531]

What an annoying presentation of information. But I do need the knowledge so I have no choice.

[@MrGhaba]

The content, of course goes with out saying, is amazing. But I want to shout out to the animators that create colorful dust clouds every time Bart hits the kitchen island. It’s the little things

[@skeletonforge4483]

to the editor of these videos. Thank You!

[@cowcorp]

Obnoxious delivery, could not watch very long. Will look elsewhere for a tech discussion.

[@powerbuilt]

Womp womp

[@lowkeycherokee1586]

That experiment was a great addition loved thst

[@The_Raven_]

This is perfect ratio of humor n ADD facts like my brain I love this

[@ViperOne420]

These are great videos! Little less jokes @ the writers. Your content and delivery is plenty entertaining without the dad jokes. Love them all, keep 'em coming please!

[@dnamja]

as a novice in cars, i love this series!

[@oldzimzam1751]

Hey Bart! Long time listener, first time caller. I love your show. I hope you would consider doing an episode on sensors (MAF, MAP, O2, etc) and or check engine light biz. But i would like to learn more about all the sensors that seem to need replacing on my beloved 2004 Elantra. Thanks!

[@victore8297]

I look forward to science garage every week, one small rich asterisk. 14.7 is stoic for gasoline. other fuels have different ratios. and since direct injection allows you to spray fuel when the valve is closed you can control cylinder temperatures by spraying in some fuel which allows you to run slight more advanced timing. You guys should do a science garage on tires.

[@Jl-jj2rc]

I don’t think people realize how hard comedy is . I have a lot of respect for you bro

[@jeffhy3931]

This guy is hilarious- love these videos

[@pakinphl]

Awesome! Now i know how piston works 😀 great video sir !!

[@jefersonotalvaro1122]

YOU ARE GREAT EXPLAINING BRO, KEEP IMPROVING YOUR CHANNEL

[@BusinessWolf1]

After learning about gear meshing on tilted cut gears vs straight cut gears, gearboxes, transmissions, big turbos vs small turbos vs twin turbos vs sequential turbos, superchargers, hydraulic pistons, direct vs indirect fuel injection, air to fuel mixture and ignition timing, I think it's time I watch the video on carburetors.

[@bboyhighdefinition]

Thanks Squarespace for sponsoring my favorite channel :)

[@richardchhan53]

The cover up edits and the jump cuts crack me up😂 I love this show🙃

[@KyoMintCraft]

Donut and VINwiki uploading their videos at the same time make my heart happy

[@kawaiijp6638]

listen to him more than my high school teacher.

[@brandonsomerville9771]

May want to read up on Diesels, between this and the jake brake episode theres some key points wrong. As in a pre-combustion chamber is to reduce pressure in the precombustion chamber to run lower injection fuel pressures. The ritch mixture then travels to the combustion chamber. Glow plugs are not needed during running, only starting. We don’t use seperate jake brake rocker arms-we use electric solenoids and oil pressure to activate the normal exhaust rocker at different events. Cummins typically only ever have 1 cam, with the exception of the ISX. Unless you include the cam in some fuel pumps, but again almost every Cummins from the 40’s and earlier up use a PT fuel system(pressure time). And diesel injectors are not at all similar to gasoline. They are mechanically or hydraulically injected, sometimes being electronically timed/metered

[@justdominican7474]

Please more science garage videos ... I've watched them all already

[@damian_cross]

Best episode of cake garage so far

[@Jondatorials550]

Its pretty awesome im watching some of these to help me understand how a 4 cylinder engine works in a Cessna 172