Does Toyota Direct Injection Cause Carbon Build Up? Let's Find out!

  Рет қаралды 134,272

The Car Care Nut

The Car Care Nut

Күн бұрын

Do you ever wonder if Toyota direct injection ( D4S ) System build up carbon? In this video we take a look at an in service Toyota D4S engine to find out if that is the case or not.
Toyota's D4S injection system uses both Direct and Port Injection. So in theory it shouldn't build up carbon. But does it?
In this video we have a 2017 Toyota Sienna with a 2GR-FKS engine which has Toyota's D4S System and we will find out if it does build up carbon or not.
I also share some tips on how to prevent carbon build, D4S System reliability and more.
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0:00 Intro
0:33 What is Toyota D4S System
7:17 D4S Reliability
9:03 Does it Actually Work?!
12:52 Should You Avoid Direct Injection Toyotas?
14:26 How to Prevent Carbon Build Up

Пікірлер: 687
@MPGunther1
@MPGunther1 Жыл бұрын
You're always going the extra mile by actually showing the valves and that's greatly appreciated
@colty7764
@colty7764 Жыл бұрын
The thermodynamics of carbon (-vs- steel or most metals) is that carbon has a higher " specific heat" than any metal (clean injectors, pistons, etc). Also carbon is insulating (thermally much less conductive than metals). So keeping the engine clean keeps the engine cooler. Heat intensifies oxidation... so things like piston rings age more rapidly the higher the heat that is retained. So keep the carbon down (regular engine oil changes, more highway driving vs city, keep injectors, piston tops and valves clean using a pea based gas treatment 2 or 3 times a year, etc).
@MPGunther1
@MPGunther1 Жыл бұрын
@@colty7764 👍
@zmy350
@zmy350 Жыл бұрын
Thanks Ahmed. You're a blessing and a great teacher. Keep up the great content.
@tracy2762
@tracy2762 8 ай бұрын
​@@colty7764have you heard of using high octane to help keep fuel in the oil down. many are claiming success.
@OMAR6575
@OMAR6575 Жыл бұрын
As an owner of a 4GR-FSE engine currently pushing 180k , i can honestly testify that, yes the oil changes, using good fuel and having a long hwy commute does work. You Sir are absolutely correct.
@Mongomcdongo
@Mongomcdongo Жыл бұрын
I have the 4GR-FSE as well (IS250 6MT) with 199k and I haven't had any issues with carbon buildup
@FRalex152
@FRalex152 Жыл бұрын
+1 from an owner of 4gr FSE too, with 150k miles 2007 is250 , i need to check valves but for now the engine works fine !
@colchronic
@colchronic Жыл бұрын
I thought the 4GR Did not have d-4s with port injection. Only direct injection
@michaelG2310
@michaelG2310 Жыл бұрын
I have a 2010 is250 with 93k and a 20 minute highway commute each way. I was already looking to walnut blast my valves thinking carbon buildup is inevitable. Thanks for the reassurance. Love this channel
@OMAR6575
@OMAR6575 Жыл бұрын
@@michaelG2310 there is a chanel called Legit Street cars, he has an episode where he takes a 2007 is250 and performs the intake valve job, its very interesting to watch.
@jimf.625
@jimf.625 Жыл бұрын
This man is more than a master mechanic. He is an absolute genius mechanic. A guru.
@danielnavarro8650
@danielnavarro8650 Жыл бұрын
I'm not even a Toyota auto mechanic but somehow I always learn valuable tips from the Car Nut.
@rayman4449
@rayman4449 2 ай бұрын
I have been a Honda guy for very long time and just bought my first Toyota. This dual injector setup is one key reason for my switch. Toyota is getting it right and trying to do the right thing :)
@ericr2zz
@ericr2zz Жыл бұрын
This is the best channel on Toyota technology! Great explanations backed up by real world examples.
@ega0117
@ega0117 Жыл бұрын
Yo this guy, I wish he can talk about other cars other than Tacos 👀
@eppyz
@eppyz 3 ай бұрын
Actually it isn't Toyota Technology, Direct Injection was developed by the Germans, and so was the Dual Injection System. As with most Asian brands, they don't "Innovate" they Duplicate. They reverse engineer something someone else made and make it better.
@stevenyoung3360
@stevenyoung3360 8 ай бұрын
Great info. After having been in this business for 34 years, I too say change your oil early and often. Don't buy into 10k mile oil changes on your vehicle. Your vehicle is quite often the second biggest investment in a person's life and needs to be treated as such.
@stevehoppenjan
@stevehoppenjan Жыл бұрын
How can anyone not love this guy? AMD - you mentioned that some other manufacturers have figured this direct injection thing out and minimized intake carbon buildup. Can you tell us who besides Toyota does a good job?
@kcm732
@kcm732 Жыл бұрын
so glad this system works. ive put so much faith in this system over the years, happy to see more sound engineering from toyota 😇🙏🏻
@randy8908
@randy8908 Жыл бұрын
Jjjhh2edbb
@mikechiodetti4482
@mikechiodetti4482 Жыл бұрын
For years I've told people to get the vehicle out on the highway or freeway, get it up to the speed limit and hold it there! The more you drive it that way the better it will run and the longer the engine will last! Change the engine oil and oil filter every 3000 to 4000 miles OR every 6 months, WHICHEVER COMES FIRST! those two steps will help increase the engine's life! Toyota's got the right idea with GDI AND Port Fuel Injection. Together they do a great job. Thank you for this video.
@jeffreymcdonald8267
@jeffreymcdonald8267 Жыл бұрын
No need to get a speeding ticket doing an 'Italian tuneup", just downshift to keep the rpms up higher. That is the key.
@BrianNC81
@BrianNC81 Жыл бұрын
Good radar detector + Waze and enjoy
@riceburner4747
@riceburner4747 10 ай бұрын
Yeah, but it's not as much fun! 😂😂🤣🤣😁
@littlet7556
@littlet7556 21 күн бұрын
​@@BrianNC81, 100%
@rodnewcomb9611
@rodnewcomb9611 Жыл бұрын
This is exactly the video I was hoping to see. Thank you so much for taking the time to put this together!
@fredread9216
@fredread9216 Жыл бұрын
Your videos are always helpful. Thanks.
@jimmyprado3045
@jimmyprado3045 Жыл бұрын
Keep up the good work always informative.
@p6102zrfxe
@p6102zrfxe Жыл бұрын
This is exactly what I waited to watch. Thank you a lot.
@tomryan9616
@tomryan9616 Жыл бұрын
Another great lesson from the man! Thank you. I’ve watched every video, keep them coming.
@HypocriticYT
@HypocriticYT Жыл бұрын
Few mechanics truly know theory of operation on modern vehicles. CCN knows his stuff 😊
@mattmc8391
@mattmc8391 Жыл бұрын
This was a great topic to cover , I’ve been curious to see intake tract on one of these after a few miles .
@davemarks7322
@davemarks7322 Жыл бұрын
Another outstanding video. You always leave me wiser. Thanks...
@tacomafan5186
@tacomafan5186 Жыл бұрын
I really enjoy your videos. Very educational and explained in a way regular people can understand. Thank you!
@stevebyrne4235
@stevebyrne4235 Жыл бұрын
Very informative, excellent video; thanks. Great channel!
@kris856
@kris856 Жыл бұрын
Sir, I love your videos. Thank you for your effort put in making them.
@bappa8656
@bappa8656 Жыл бұрын
Thank you for the valuable information and the review of what we were taught years ago about short trips and oil changes
@m.b8257
@m.b8257 Жыл бұрын
This has become one of my favourite channels.
@oddjobbob8742
@oddjobbob8742 5 ай бұрын
Your KZbins are always so worthwhile. Thank you for taking the time to produce them and share your expertise and vast knowledge.
@flouisbailey
@flouisbailey Жыл бұрын
So glad to see your success I remember the KZbins you made in your home garage. Much respect and congrats.
@peterkwok9608
@peterkwok9608 Жыл бұрын
Thank you AMD for all your good advice as always 😎😎👍👍
@johnnypetro9314
@johnnypetro9314 5 ай бұрын
What a perfect video. Answering the question we were all wondering about.
@davaughnwiles9800
@davaughnwiles9800 Жыл бұрын
Excellent info as always AMD, where we are that high pressure pipe doesn't come cheap so we just tighten it more every time we remove it. I've been explaining the driving part to my customers foe a while now and they never seem to believe so i'm glad your covered it. love the videos as always.
@5metoo
@5metoo Жыл бұрын
Loved letting us see the valves. The system works! Awesome.
@alancox8466
@alancox8466 Жыл бұрын
This was my favorite video so far !!! I have been wondering about the D4-S in my 2021 TRD Avalon. Thank you !
@silvenshadow
@silvenshadow Жыл бұрын
Amazing insight into this system. Great video!
@warrenkendrick8046
@warrenkendrick8046 Жыл бұрын
Enjoyed the video very much! I have a 2017 sienna and I love it. More sienna videos please 😃
@sdfiske64
@sdfiske64 Жыл бұрын
I have a 2020 Honda Ridgeline with 85,000 miles on. Recently I changed the PCV. ( No particular reason ) I just changed and I found the original one was not working 100% correctly. it was hanging up a little. Very easy DIY. The motor seemed to run a little smoother after I changed it
@kengit2
@kengit2 3 ай бұрын
You’re awesome! I watch your videos now almost on a daily basis. The knowledge you impart and your narration is just beyond excellent! I think of you as The Last Great Automotive Technician
@carolcarola9719
@carolcarola9719 Жыл бұрын
I currently own eight Toyota vehicles and enjoy your videos and the information. Thank you!
@Ironsja11
@Ironsja11 Жыл бұрын
My 22 Tacoma has this system and it's totally new to me. I'm glad to see it works so well!
@travissheehan6082
@travissheehan6082 Жыл бұрын
Good video CCN!
@computercrack
@computercrack Жыл бұрын
Great explanation!
@brucegraner5901
@brucegraner5901 3 ай бұрын
As I new Toyota owner this is valuable information that is much appreciated. Thanks for taking the time to produce this video.
@scottxiong5844
@scottxiong5844 Жыл бұрын
Very informative!
@victors.6439
@victors.6439 6 ай бұрын
HUGELY HELPFUL THANK YOU
@hillbillysportsman5818
@hillbillysportsman5818 Жыл бұрын
Thank you for another GOOD one!
@James-vb6hd
@James-vb6hd Жыл бұрын
All of your videos are very well done. Thank you for all of the information. I wish there were more knowledgeable technicians who work to be the best they can be - Thank you
@georgezahorcak7764
@georgezahorcak7764 Жыл бұрын
Outstanding. You are terrific.
@GM-fh5jp
@GM-fh5jp Жыл бұрын
Brilliant. Great vid, as usual.
@JasPlun
@JasPlun 8 ай бұрын
Great video and nice to learn of potential problems that might show up as time goes by. We just had our 1st transmission and Coolant service on our 2020 Camry SE. Our local dealership had a sale on the coolant service and we got it done for $50 and since we did the oil and transmission at the same time they gave us an additional 10% off. Our car is sitting at 45k miles and has been flawless so far. They told me Toyota recommends transmission service at 80k and I was like I do not care I do it every 45k miles on my vehicles.
@steveone9375
@steveone9375 5 ай бұрын
Always great videos ❤
@androtele9887
@androtele9887 Жыл бұрын
Really nice video. Finally, some video with proper technical content. During the video I understood that some other manufacturers resolved the carbon buildup. Who are they? I was convinced that only Toyota was willing to.
@robertrusso1688
@robertrusso1688 Жыл бұрын
Great video! Love the v6 in my 2013 van. 100k very well made and maintained. Do more Toyota van videos when you can!
@Hoser584
@Hoser584 Жыл бұрын
Im glad you’re back tracking on the 2.5 V6 in my 2012 as you had said don’t ever buy one my AWD 250 is awesome and I squirt some cleaner in it every once In a while and it seems to help and you are the only one who ironically speaks ILL of the 2.5 if I have to clean it with what ever it takes I’ll do it , the awd is killer in the snow and there is no perfect car but these are close .
@brokeboy87
@brokeboy87 Жыл бұрын
This was a very informative video.
@Wakebrd50
@Wakebrd50 Жыл бұрын
Thanks for the video!
@paulodisano502
@paulodisano502 7 ай бұрын
Great video AMD. Very well explained and thorough. Thank you and God bless you, sir.🇨🇦🇺🇸👍
@litespeed7715
@litespeed7715 Жыл бұрын
My mom just bought a 2018 Camry with 30k miles on it and she almost exclusively does short trips. We will do 5k oil changes with the OEM filter and the occasional 'Italian Tune-Up' thanks to you. My Toyota has 160k and I hope to get another few 100k out of it. I'm following your maintenance schedule. My family and I thank you!
@TheRicherProductions
@TheRicherProductions Жыл бұрын
I do my own oil changes my 2019 avalon takes 5.7 quarts of 0w-20 I put 5 1/2 quarts of mobile 1 advanced economy 0w-20 oil 6 ounces of oil is left in the engine after each oil change I get my oem filter from my dealer for $6 with the new drain plug washer gasket. costs me $35 to change my oil every other oil change maybe $40 depending if I need that extra quart for the two oil changes I save $80 a year in oil changes and I don't over tighten the filter housing like I have had troubles getting it off with a breaker bar from mechanics overtightening it past snug where it stops on the housing.
@andersonrodriguez8258
@andersonrodriguez8258 Жыл бұрын
Do 3K like me
@TheRicherProductions
@TheRicherProductions Жыл бұрын
@@andersonrodriguez8258 THATS A WASTE OF MONEY
@joshhemingway
@joshhemingway Жыл бұрын
Me too brother
@roaddog1493
@roaddog1493 Жыл бұрын
I also purchased a 2018 4cyl SE Camry with 16k miles 2 years ago. I stay on top of the maintenance like no other. Oil changes every 5k miles, transmission fluid change at 30k miles, even though the mechanic said I could wait till 60k. I've added a Magnaflow exhaust and a K&N air filter which gives it added power. And the Italian tuneup does work!
@sheerwillsurvival2064
@sheerwillsurvival2064 Жыл бұрын
Always waiting on these great videos
@pirihern9329
@pirihern9329 Жыл бұрын
Same here
@Norm100ful
@Norm100ful Жыл бұрын
Excellent information.
@Ming-qq1tr
@Ming-qq1tr Жыл бұрын
Great video! My 2018 Highlander has the same engine. Never worried about the carbon build up on the intake valves on this engine, because I seldom hear the noise from the high pressure pump when my foot is not on the gas paddle, such as waiting at the stop lights. That means the intake valves always get sufficient washes from the port injection. Well done Toyota!
@jensenwilliam5434
@jensenwilliam5434 Жыл бұрын
Thank you for your videos!!!
@marcjones744
@marcjones744 2 ай бұрын
Thank u so much. Invaluable information
@liberty4175
@liberty4175 Жыл бұрын
Thank you for your knowledge. Yes I’ve heard that once in a while to floor that throttle out on the highway.
@patrickmertz2426
@patrickmertz2426 Жыл бұрын
Thanks for that great explanation of how direct fuel injection operates. You are a fount of knowledge and hope you don't retire for a long time!
@santouchesantouche2873
@santouchesantouche2873 Ай бұрын
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@javig5045
@javig5045 Ай бұрын
Very good info, good to know these important details, thanks Ahmed....Javi G.
@jacekmaza9597
@jacekmaza9597 Жыл бұрын
Great video AMD - thanks for posting! The idea of dual injection system is not really new though. It has been around in 2GR-FSE since 2005, so no surprise the system works. I'd love if you provide more information in the future about the -FSE engines, especially the 4GR and 3GR. I wonder how they are affected by the low friction pistons situation and if it makes sense to rebuild these engines. Cheers!
@jamesterrill1938
@jamesterrill1938 Жыл бұрын
Thank You for a great video....
@jamesb7224
@jamesb7224 Жыл бұрын
Great video as always. What is your opinion of catch cans on vehicles without port injection?
@tagajolo
@tagajolo Жыл бұрын
Very Good info Thank u very much sir
@AntsPlants
@AntsPlants Жыл бұрын
Another great video
@joelrodriguez7038
@joelrodriguez7038 Жыл бұрын
Brother for me this man is the best, GOD BLESS HIM AND HIS FAMILY
@sheerwillsurvival2064
@sheerwillsurvival2064 Жыл бұрын
3000 psi sounds like my prostrate in the morning 😁
@peterbonotan3654
@peterbonotan3654 Жыл бұрын
I really appreciate your channel that’s why I subscribed to it! I have a question and I don’t know if someone already asked considering there are a lot of comments already posted…. My question is what is your opinion about catch can in preventing carbon buildup? Is it legit or a scam? Thanks so much for your time… I love watching your channel when ever I have time
@vinces8974
@vinces8974 Жыл бұрын
I believe my 2018 ford f 150 eco boost has both style injectors on it for the same reason of keeping carbon down , because they were having problems with the earlier models, only having direct injection carboning up
@richardhernandez3088
@richardhernandez3088 Жыл бұрын
Great video keep up the great work 💯✅💯✅💯✅💯✅🔥🔥🤙🏻👌🏻
@joiion913
@joiion913 Жыл бұрын
Toyota should be paying you for making such amazing content
@Bigsmegma44
@Bigsmegma44 Жыл бұрын
Are there any newer Toyota vehicles that don’t have this engine? All of your videos are very informative! Thank you
@rightlanehog3151
@rightlanehog3151 Жыл бұрын
AMD, You really built up suspense with the title of this video. 😉
@augustchirstopher
@augustchirstopher Жыл бұрын
Always great videos. Very informative. I was wondering what your thoughts on oil catch cans? Are they worth it on a stock engine? Or a supercharged engine? Also Your take on k&n filters/ TRD cold air intake. No one ever really does a breakdown of long term use of the reusable filters. They talk about how it lets in more particles but never if it’s actually a concern. If they do say it’s a concern they just say it scars the inside of the engine but have no proof just mention they heard from some random guy. Also any tips on super charged engine maintenance and things to look for would be great too. Everyone always posts videos of them just recently installed a super charger and that it gives them more power but never what the maintenance or potential signs of issues might be. Thanks
@jack8356
@jack8356 Жыл бұрын
Good that you showed how the d4s works.
@nabelbinyameen1855
@nabelbinyameen1855 Жыл бұрын
well said great knowledge.
@Tom-ej8bb
@Tom-ej8bb Жыл бұрын
The CRV 1.5l we wonder about that DI As Always Great job!
@ThunderbirdRocket
@ThunderbirdRocket Жыл бұрын
Great topic ! Fantastic teaching ! Thanks !! The LORD bless you !
@lukacslehel1534
@lukacslehel1534 Жыл бұрын
I actually have the new Hyundai Elantra (EU version) because it came with port Injection, but I'm amazed by your videos and dedication. I am wishing for a Toyota sometime in the future when I can afford it, and will have dual injection on their engines(they didn't have it when I was interested in purchasing)
@saleemakhtar87
@saleemakhtar87 Жыл бұрын
Very helpful, have 13 Sonata for 9 years only city driving 103000 Kilometers in Toronto Canada, will take on highway....
@blndfuad3564
@blndfuad3564 Жыл бұрын
THANK YOU HONEST MECHANIC.
@jcreeker5581
@jcreeker5581 Жыл бұрын
Thx for the video. Really great information. In the video, the intake valves look relatively clean, but the intake runners show some black carbon/oily residue. Is this from the PCV valve as it helps to ventilate the crankcase. Would an oil catch can on the PCV engine crankcase line help catch some of that oil and reduce some of the build up on the intake runners? TIA.
@jdhern9078
@jdhern9078 Жыл бұрын
Great video
@toyouall
@toyouall 3 ай бұрын
Thank you for mentioning the Italian Tuneup!
@jamesg6792
@jamesg6792 Жыл бұрын
AMD once again you nail it sir! I own a 2022 Tacoma TRD sport and absolutely love it. I know people complain about the transmission hunting, etc. This video puts my mind at ease. I was advised by my mechanic who is a Certified Toyota master tech to not do a pressurized cleaning of the fuel injectors. He said it would damage the direct injectors. Can you confirm this? Not that i plan on ever doing that anyway. Once again thanks for the awesome video!
@richcombs4805
@richcombs4805 4 ай бұрын
I've been down this rabbit hole a bit...and AMD touched on it in another video: use top tier gas only. Top tier gas includes detergents that the others do not. There is published information on the large difference between the two as far as carbon buildup goes. While "The Motor Oil Geek" tribologist does advertise Gumout, which has a higher PEA content than others, I do find that the maker of GM's injector cleaner is no slouch and falls under the same EPA license as that for Chevron's Techron and also Toyota. BG and others are quite expensive and not really going to put a dent in bad carbon buildup as AMD noted it would really require a grinder to remove it, if it exists at all. Top tier gas costs little in comparison to additives.
@u.e.u.e.
@u.e.u.e. 9 ай бұрын
Thank you! Very well explained and shown! 😃👍 The intake valves are almost clean. Had been nice, if the intake port in front of the valves had been cleaner aswell. 😉 The dual-injection is used in the RAV4, Corolla and the C-HR in Europe.
@jasonligo895
@jasonligo895 Жыл бұрын
Extremely informative video. I wish I can understand the true effectiveness of DI cleaners such as CRC and STP on valves that have minor buildup. My biggest concern is if, by using these products, I am washing down the cylinder walls and wearing them out faster?
@coloradoboo1071
@coloradoboo1071 Жыл бұрын
My Dad taught me about the Italian tuneup in the 70’s. We’d take the Chevy Malibu wagon out on the interstate and floor it for a few miles! (With the V-8, you can see the gas gauge going down!)
@michaels7499
@michaels7499 Жыл бұрын
It was called blowing out the cobbs in my day.
@theadvocate4698
@theadvocate4698 Жыл бұрын
Italian tune-up is my favorite tune-up! :)
@rightlanehog3151
@rightlanehog3151 Жыл бұрын
Did your wagon have the 350 V8?
@coloradoboo1071
@coloradoboo1071 Жыл бұрын
@@rightlanehog3151 I think so!! I was just a kid
@rightlanehog3151
@rightlanehog3151 Жыл бұрын
@@coloradoboo1071 I was just a kid in the 70s and I know for a fact our 1973 Caprice Estate wagon had a 400 V8 with 2 barrel carburetor 😉
@tssci6774
@tssci6774 4 ай бұрын
Intake valve carbon is not the only problem with GDI engines. Damaging abrasive soot caused by incomplete atomization and burning of the fuel mixture. Causes carbon build up on oil control rings, and PCV system, air injection systems, etc, and causes excess wear of cylinders and timing chains. Fuel dilution is third problem. This shears the oil viscosity, reduces Film strength, oxidizes the oil. Combine soot, fuel and oxidized oil and you have significantly shortened engine life. All OEMs are struggling with these problems.
@ronnymb67
@ronnymb67 Жыл бұрын
Well done 👍
@johnconnor2402
@johnconnor2402 Жыл бұрын
Always learn something new from AMD. What constitutes a "short" trip? Less than 10 minutes? I know most say that 10 mins is the time it generally takes for your oil to get to operating temp
@chriskrchris3264
@chriskrchris3264 Жыл бұрын
Hi AMD, This is Chris from Singapore, tks for all your advice, I keep re-watching your videos to refresh my memory as how to maintain my car, ..can you advice me how often need to change fuel filter for a sedan currently 210km
@singh11373
@singh11373 Жыл бұрын
In all your reviews you always put down car guys and say don't look at how fast the car can go or sports features But you yourself bought a V8 and you said you wanted a car with power and you bought a car with sports package because you said the way it looks you like it. At the end of the day you are also a car guy. I love you. You do great reviews. Please don't sell out. You are a good guy.
@0Meaty
@0Meaty Жыл бұрын
Great video as usual. Will long trips, highway driving and regular oil changing remove deposits from an engine that already HAS carbon build up in the intake runners? Do any fuel additives help???
@pjimpin
@pjimpin Жыл бұрын
By far the best mechanic KZbinr Iv come across thanks for the great information.
@centralcoastbuc161
@centralcoastbuc161 5 ай бұрын
Fantastic info. Just traded a Honda with normal DI that I found built up carbon, for an ES 350 with this system!
@dtna
@dtna Жыл бұрын
I hope your business is doing very well. Does TMNA currently have a program to support independent mechanics with both your parts and service needs?
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