What's DEF and Why Do You Need It?
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- Опубликовано: 2 июн 2024
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Diesel trucks and their reputation have gone through A LOT over the past 20 years, but there’s a technology looking to reinvent diesel systems and make diesel possible for the future. The U.S Environmental Protection Agency mandated the use of SCRs in conjunction with DEF in diesel engines. TODAY Dustin breaks down what ALL of this means to the diesel community and the future of the diesel truck!
0:00 Intro/Diesel History
0:48 Confusion about DEF
1:20 History of the EPAs Impact on Emissions
2:39 How Modern Diesel Systems Work
5:21 Issues With Emission Systems
7:27 How to save YOUR Diesel/Outro
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#customoffsets #Emissions #DEF 
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"What's DEF and why do you need it"
Me: that's the neat part, you don't.
(When certain parts fall off that is)
Hit a bump in Mexico and the truck is guaranteed to never need def again
Exactly 💯
Lmao
Def is like soda for your truck it will kill.your truck eventually
Unlike soda diesels.hate def thi
Funny part is the EPA is concerned about emissions but all that smog crap effects MPG. My new 2500 Ram gets 18-21 mph at 65-70 mph. My friends truck that’s “deleted” get 24 mpg at the same speed. But he also has 22x12 rims on 35” tires. His truck is also tuned to not smoke at all. So why can’t manufacturers tune the factory truck to run cleaner and get amazing fuel mileage.
My 2012 2500 went from 12-14 to 21-24 MPG no smoke unless I turned the tune all the way up and dogged the shit out of it. It also helped cool the motor down I used as a work truck and it would get hot before the delete. Just bought the dreaded 6.4 looking forward to seeing how much a delete and tune helps
It
Government needs there monney and they have to make all the Karen's happy . . Up here I the north 1 in 4 truck are deleted. 😂 noting works in the winter . Wen I say noting I mean noting.
2018 Powerstroke. When I deleted, I also installed a catalytic converter, since I do still want it to be as clean as possible. Once that cat heats up, I barely smoke(slight haze) when I put the hammer down.
@@leebo92_38 6.4 is a cool motor if u take care of it if will last u a long time
@@leebo92_38 emissions absoubtly kills a 6.4 its a great motor. if its had emissions for a very short period of its life preferably not at all......... the emissions is known to fail in a way that causes Diesel fuel for the regen to beable to seep into the oil pan and your oil sump sucks it up and lubes your main bearings and crank and cam journals with Diesel fuel killing the motor very quickly hence their bad reputation........ i own a 6.0, a few of my buddies got 6.4s the Piezo stack injector is probably the most advanced and best fuel injector type i think equivalent to HEUI injectors in the 7.3 and 6.0. but the Piezo stack injector offers huge benifits its such a fast system and can inject at very very high fuel pressures you can have full combustion injection 5-8 times before TDC of the piston which means a very hot tune for a 6.4 powerstroke adds around 300 horsepower alone. and upgrades for the motor are almost entierly just Deleting the emissions, upgrading the Sequential turbo setup to a bigger better aftermarket one or 1-2 big single turbos and if you get fancy with it studding the heads to accompany all the extra boost.......... easily stock bottem end and mostly stock top end 1000 horsepower capable
Running a def and egr is like wearing a mask when you’re alone in your truck driving.
And not rolling down the windows when you fart
Not even close bud
Or running for miles with a mask on
Just do a stealth delete, but it’s basically making a hole in the DPF like they do w cats so it’s still there, but it’s got delete benefits while passing any DOt visual inspection, the hard part is getting a tuner for it to fool the truck into ignoring the DPF.
All my DEF junk was uninstalled, 4" straight pipe put back in place, tuned the engine and the trans. The 6.7 Cummins sounds and performs so much better
The way it should be!
The problem with diesel emissions control is all of the secondary and third effects it has on the environment. Something like def may stop that “scary black smoke” but what about the cardboard and plastic that it comes in that goes into the trash. Or the plants and factories that create emissions to manufacture these items. What about the mines in Africa to get the palladium, rhodium, and platinum to build catalytic converters and DPF’s. Not to mention that these things decrease fuel efficiency which in turn causes more fossil fuels to be burned to create less work. All this to stop trucks from producing black smoke that doesn’t even go into the atmosphere. It is solid carbon particles that fall to the ground. It’s similar to getting raw coal and grinding it into a powder and dumping it on the ground. SMH 🤦♂️
Careful there you might just have a terrible unfortunate accident courtesy of the regulations agencies...
Companies are just out to make money nothing else
Or the fact that emissions from burning def kills the bee population that's needed to pollinate plants that we need for life.
You’re delusional. The cardboard in comes in ? Lmao. Get a grip son
The EPA made us have more expensive, less reliable trucks, with worse fuel mileage.
All while burning more of a non-renewable resource and shoving DEF in *plastic* bottles to be "cleaner".
Are we really?
My dad has a 2012 Chevy 3500 LML duramax and after buying it from an acquaintance (130,000 miles) it had issues with the def system within a month or so. My dad decided to do a full delete and him and I did it ourselves and now his exhaust system is a straight pipe and a muffler. Sounds absolutely amazing, gets slightly better MPG, and boy it has some balls now.
does it smoke?
@@LuisAc not really. Once we get the tune put on it it should
can any body delete that I have 2015 f 350 n I have problems all the time cuz def
This is hands down the most informational video on DEF I’ve seen! Thank you so much from a first time diesel owner.
I love my 01 Cummins with a 4” turbo back straight pipe. None of the emissions crap.
Same. I own a 2007 Dodge Ram 2500 5.9L Cummins diesel. I don't have to deal with any of this emissions shit.
Lets just say, my truck started sounding weird after getting off a dirtroad. Now my truck has more power, cleaner oil, gets better fuel mileage, and the driveability is night and day... and doesn't even smoke. Weird!
Good thing I have 1999 Dodge Cummins 24 valve currently getting 19.9 mpg, 5" turbo back pipe nice and cool egt's
These are pretty much the only issues on newer ford diesels. NOX sensors, DEF tank heaters/injectors, particulate sensors, egt’s, EGR, etc. Outside of that, and crankcase vent separator issues, nothing generally goes wrong on them.
That and the lovely CP4
Turbos as well
@@kordellbranch9165 15+ are tons better, but yeah
Lube that cp4!
@@MrJangojet been putting in lubrication agents since day 1, hopefully that helps!
My dads 2012 Duramax had emissions issues right after he bought it. So he said “screw it” and tuned it,straight piped it, and deleted it. So now there’s no more emissions stuff on it 😂
My dad has a 15 Cummins and the truck would always say that it was out of def even when it was topped off and you had 100 miles to get to the dealer so they could fix the problem, it would always take several days to fix and was never fixed permanently so he deleted and straight piped it and hasn’t had any problems since
I am a retired heavy equipment mechanic. Yeah, the EPA is a bummer. Wanna know what else is? Lung cancer at 50 for a non-smoking diesel mechanic because breathing diesel particulate is just as bad as breathing asbestos. I have fellas I worked with for 20+ years that died of cancer soon after retiring or didn't even make it to retirement. Coal miners get Black Lung disease. Diesel tuners back in my day, nearly just as bad. Honestly, the fellas that like to 'Roll Coal' on people is completely shameful. What I know about diesel particulate, that should be an assault with a deadly weapon. I'd like to see the manufactures do a better job in making these systems more dependable. Unfortunately, deleting the system doesn't encourage the manufactures to improve the systems. The manufacturer has your money. Not buying the trucks because the systems are not dependable is the only solution. Unfortunate wisdom is wasted on us old folks. You aren't going to look cool if you are missing a lung, Just sayin.
Yea, I have always thought that burning tires and rolling coal was pretty dumb.
You are right. In the end is not about the "Environment " it's about our lungs.
@@HeronCalaris LOL What? LOL I was once Conservative. The EPA is a Conservative program. Yes. The EPA is trying to save your lungs. Both of them.
I am an old retired heavy equipment mechanic. Way pro-union.
Today's Conservatives have nothing in common with the 1956 GOP Presidential Platform. Living wages. Home ownership. Health care. Retirement. God.
Of all of those, it was god I can live without.
It was crazy to me I had to start voting Democrat.
The GOP today is all about a grift in the name of god.
I have proudly become a nonbeliever, thanks to today's GOP.
Diesel is awful. It kills every thing.
Death is forever.
If that was clearly the case where all these farmer with lung cancer. There was pre def tractors long ago. A typical farmer doesn’t hire a mechanic he fixes it himself
@@marcomandolini86 A typical farmer isn't working on his tractor every day now is he dimwit. A diesel mechanic working on a fleet of transit busses is. AG is incredibly toxic.
I drive a School Bus. Just doing some research into how DEF and exhaust works on a diesel. Trying to figure out why two buses (out of 5) go through almost twice the DEF as the others (without appearing to leak).
Good video! Thanks for posting!
Check the injector
I’ll sum up the video for you guys no the DEF makes that Cummins or Powerstroke’s tummy hurt
Dude, this video was fun to watch. Cracked me up, at the same time very informative. Thanks.
I have a 2021 Sliverado with the 3 litre engine, 12000 kilometres and emission problems already! I would have thought they would have the systems figured out by now!
My biggest issue with def is solely the limp mode. 5 mph is absolutely asinine. Diesel are used to haul stuff, meaning they are usually hundreds of miles away from home. And if it goes into limp mode, and I have to take it to a dealer 200 miles from home, how long is it gonna be there? A day? A week? A month? Several months? No thanks.
I agree 100%. Set it to 50 mph so that I can get it to the Shop. 50 mph should be irritating enough.
The Tennessee mountain thing killed me I go over 2 to get to work😂
Drive a F-550 at work. Lots of low speed, low RPM driving. Plus lots of idling. One day the vehicle told me it needed to be serviced because essentially the DPF was dirty. Put the transmission in "M" and 3rd gear, drove around like that for about 10 miles, and that cleaned it.
my duramax 2.8 was assembled in Brazil, does not have DEF system, and exhaust comes out clear even at startup.
Its funny because i literally work in tennesee and your right i travle up and down 2 mountains just to get there!
I had a experience with a diesel emissions system.. now I have no experience with it. 🤷🏻♂️
same lol
Thank god for deletes and that’s why I like buying 07 on down. If you have a good tune it will run more efficiently shouldn’t have black smoke coming out the exhaust just a waist of fuel.
Omg!!! Thx U so much for the knowledge 💓
Great video, I personally will never own/drive a diesel with the emissions system. Delete that ASAP
Thank You for explaining that.
to get around this epa autism.... take the def sending harness and measure the incoming load in amps and outgoing resistive.. you make a plug that is a resistor pack that does the correct impedance for a full tank... there is no reprogramming required you tell the computer what you want it to hear.
My dad had his 2021 duramax at the dealer for close to a month due to the def system
Starts at 2:45 (JHC - this guy LOVES the sound of his own voice..).
“Whats def?”
A mistake
Damn right
Love you guys
I have def system message on my dash can't get the bolts out of the doser anyone know how to clean it tks Dave
Very well done presentation.
Any diesel engine producing 27 horse power or more must be outfitted with an DPF system. You forgot to mention that
Congratulations Cali DESTROYED the diesel engine...good going!!!👍🇺🇲
Almost had a Ute catch fire from dry grass near dpf while it was trying to do a burn
Thumbnail for the video has a a 7.3 or 6.0 ford. DEF wasnt introduced until the 6.4 in 2008.
Umm I don’t even see a place to put def in my 2008 6.4 I think 2010 they might have started. 2008 has the dpf regen it’s a dry system no DEF
Also wrong no def on 6.4 lol
I have a TDI Jetta, dpf clogged up and went into limp mode
Omg I’ve been waiting for this video
The leftover DEF after you delete it makes a great lawn fertilizer!
I remember in a chemistry class I took we created nitrogen oxide. I can see why they'd want to eliminate it from the air. The instructor told us we must do it under a hood and this viscous nasty brown smoke came out of the reaction. Too bad the DEF system is so cumbersome though.
can you straight pipe a diesel and keep your DEF system at the same time?
Ive had more def/exhaust filter problems and break downs then any other problem..
Most people have no idea this exists. And I don’t blame them.
They think your tricking them.
Like blinker fluid. And sky hooks.
question can you just take the good ol saw and cut off your exhaust with a dpf system or is there more to it than that
More to it, gunna need a tune for sure! Along with other miscellaneous stuff that goes along with tuning and deleting a diesel
Safe to add a heat pad onto the def tank?
I have a 2019 cummins, someone asked me if its gas cuase how quite it is, working on deleting it now..
Yes I have on a mack truck that my dad was driving
I can't stop thinking of the word PLAGUED.
I am unconvinced the extra fuel usage caused by the def regen is actually worth the smog reduction, environmentally speaking. I guess It makes the air cleaner at the cost of more co2, which I suppose could be worth while in urban environments.
I recently bought a 2016 6.7 and thinking about deleting it but I still want it to be able to pass inspection and I honestly don’t know how to go about it
It depends on how they run inspections in your state. Luckily in Alabama, we don’t have any…yet. As long as your truck isn’t loud as shit or rolls a shit ton of coal, you’re good here. Just do some research about the emissions testing process in your state and find out what to be careful for. If you’re looking for a better sounding exhaust then a lot websites have emission passing exhaust kits. But a full delete from your egr to your def is not only expensive af but there’s no legal way to do it unless you are deemed exempt, if your state does that type of thing.
Def is good pour into an International diesel truck!
Yoooooo I’m here for it
That sucks. The EPA is clamping down on the tuner community as well. The days of catless j pipes are going away unless you do it yourself. It sucks
There’s this really cool thing called a sawzall
Last week I was with my 17 year old nephew doing some shopping. Come to a red light and I pull up next to this big ole tuned Ford F-450 with double stacks out the back. I roll my window down and get his attention amd ask; "can you roll me some coal?" He just smiled at me. I laughed and gave him air pound. My nephew chimes in and says, "I didn't know you smoke, Uncle Ronnie." 😂
I thought his generation is doomed at first until I realized. You just dont see that many diesel stacks rolling coal in 2023.
Sheesh. I'm kinda glad here in Africa these regulations aren't that harsh but sooner or later we'll follow suit.
Get ready to have nothing but problems
@@emptysoul4455 bro. Africa is quite poor majority of people here drive gas vehicles diesels are usually on midsize trucks and heavier duty transportation vehicles and even so some trucks here are gas powered. Unfortunately not everyone buys a diesel and we those that build their trucks mess up their suspension components because they do it incorrectly or are sold knock off lift kits wheels and tyres NOT from custom offsetd.
And even if they apply these regulations. There's so much corruption and unemployment here that we won't be able to control these regulations.
@@rampagedingo honestly with the way things are going here in the USA I don’t have much faith that it’ll be that way here before long. This country is going to shit more and more everyday.
@@emptysoul4455 i see that. The whole world sees that. Here in Africa long time ago people used to DESIRE intensively to go to America. After the Trump became president a lot of people gave up on the American dream. No offense to you guys I mean I love America, a lot of the diverse cultures there shaped some parts of the world in a positive way but some of the things going on there is sketchy.
I think I own a unicorn. I have a bone stock 2015 ram ecodiesel. 0 problems and 180 000km on it. I tow a 8000 pound trailer about 5 times a year. I've thought about modding it but I figure I shouldn't mess with it untill it breaks.
Yep, unicorn for sure.
Can we use that nitrous oxidation for turbofacation 🤔
What happened if they redesigned the diesel to run on a 10to1 mix of laughing gas instead?
Why does epa do this but allow corporations to dump forever chemicals into waterways 🤦🏻♂️
DEF's made of water and urea? How do I sign up to be a supplier?
I don’t understand the point of rolling coal but the sound is nice
I'm in Northern New York every year it gets the like negative 20 at least wind chill if not colder we have DEF tanks freeze on the farm every year It's just f****** stupid to have that crap on equipment in the north.
Nice
When are they making a delete kit and tuner for the 2020 3.0l duramax
Not soon enough by the sounds of it
@@CustomOffsetsTV I can’t wait to hear how mean it sounds, atleast I get to save my warranty for now😎
What Vedio App editor do you use?
If I get 9 mpg with emissions then get 20 mpg without emissions I don’t think there helping the environment if I have to go to the gas station more
Absolutely
It's just about cleaning the air they don't care about truck being less reliable and less mpg
The epa thinks broken trucks in a junkyard are good for the environment
35% urea and deionized water ! My question is when you burn urea it creates nh3 and co2 nh3 when in the atmosphere binds to droplets n creates acid rain , co2 is more carbon ! So are we just bleaching the smoke with mirrors?
What is def you say it’s the reason I’ll never get ride of my ol 95 7.3
Crap. Sorry about that last one. I work in the oilfield, and back in like 12 or 13 the tractor was used as the power supply for a lot of the equipment. (Coil tubing, in this case). When, not if, the def system cratered, depending on what you were doing, you could be blowing 800 bucks a minute waiting on a mechanic, who has to come out of Houston or San Antonio. (Think fishing with the frac still there, for those in the know). Thats just shy of 50000 an hour. Since i didnt have to pay it, i laughed my butt off!! Delete city, here i come with my 2021 ram 3500!!
A diesel doesn't need DEF and It's recommended you get rid of that shit as soon as you can for better fuel mileage, performance, and emissions.
Day 124 of asking for the top 5 dually wheels
Fuel renegades look good on duallys
Fuel Triton are on my 2018 Ram 3500 dully
Whats def and why you should delete it!!
Don’t delete, do a stealth delete! A stealth delete is where you make a hole in the DPF then throwing a pipe in the center of it so it’ll bypass all of it while passing a visual inspection. It’s like gutting a cat, but leaving the guts of it in there so if you tap on the can it’ll sound like it’s stock, but there’s a little secret in the center of it.
That's way too much work.. Glad we got no emissions up here so far!
Run straight pipes.
Got it.
But the diesel carbon deposits are too heavy to break through the o-zone. Its really a waste
I want to get ahold of a 2023 GMC Sierra 2500 Denali and I am thinking on the diesel but with these emissions systems constantly breaking I has me thinking the 6.6l v8 is a better option it makes me a little sad because Denali plus the Duramax luxury and power it is like taking senator Armstrong from metal gear rising and turning him into a truck without the bullshit known as the "def" or all the other parts of it I live in the states so deleting it if I get the diesel would not be a good Idea plus the sierra is what I want my future truck to be but non of that is what I came to talk about I just want to say don't you think their is a better way to do this reduce emissions thing but without the complexity like it works without constant maintenance and can be worked on at home so you think such a part for this engine can be created
I've never heard of def.
Don't think that 2nd gen in the cold had issues with it's DEF... Lol
They didn’t have def lol
@@pointblankdiesel621 *insert Simpsons "That's the joke" gif here*
Literally watching a CO video before this
No getting around it anymore. Let’s build a better system.
I find the ammonia smell to be a bit overpowering. Why would anyone pay a ridiculous sum for wiper fluid? If you're going to put diluted soap in your exhaust, why not put the cheapest dollar store brand cleaner instead? Your exhaust could smell like pine trees, lemons or even flowers! Ammonia smells like piss. OR, you could plumb the injector somewhere more useful for an extra hit of methanol...
If you clean tune your diesel, it will not have def, and pdf issues. And your system won't need to regenerate as much. Resulting in better mpg's and less emission related issues
TLDR: You Don't Need It
It ain't all sunshine and tacos bud haha
Just put some water on it. (“Friday”)
You talk about banks and all the parts they make but not PPEI making stupid power and running 7.70 index in the ODSS in an emissions compliant truck 🤨
Can we just pee in the def tank?
I really miss the smell of diesel exhaust… This seems really silly to me. Urea???? Can you pee in the tank then? I guess it’s Added like another catalyst or a catalyst fluid?
I just can’t imagine this is a solution to anything that could be done in a more efficient way, it’s such a workaround it makes me feel like Siri is probably another toxic chemical. This mixture is producing that we just don’t test or account for yet.
You could always solve this problem by buying a gasoline or one of them "fancy new electric trucks".
dude wanna be in donut media so bad
Y’all can talk all the shit you want about 6.0’s! But I’ll take my studded and deleted 6.0 and day of the week before anything with D.E.F and D.P.F!!
That's the great part, you can just delete any current diesel and you won't have to worry about the issues of the 6.0 or all the emissions crap
Yea the filter is also good for is holding back your trucks potential power and when the filter fucks up get ready to buy a 10,000 or 15,000 dollar engine that’s why as soon as I buy a diesel and get that fucker deleted and it’s like a whole other truck