How is the Engine Emission Controlled By a Catalytic Converter?

Рет қаралды 167,857

Күн бұрын

Пікірлер: 151

@davebarron5939 9 ай бұрын

Just finished an LS swap and had no problem adding a "High Flow CAT", operates as originally designed for the donor vehicle. Still get amazing performance, win / win. Good video, learned a lot, and you stuck to engineering NOT propaganda, thanks.

@Steven3873 4 ай бұрын

Your video combined with your explanations make the working principles of catalytic converters easy to understand. Thank you. I was hoping you would discuss some of the dos and don'ts for enthusiastic car owners, for example, the effects of the use of fuel additives or catalytic converter cleaning agents and if they do or do not affect the functioning of the catalyst. Thank you indeed for the taking out time to educate us on this important component in our cars.

@balloney2175 9 ай бұрын

Very informative and educational. We need more of this kind of information.

@GrandePunto8V 4 ай бұрын

Internet is already flooded, overloaded with such BASIC information. Not to mention textbooks (literature from 1970's on, covers the topic very well).

@MadScientist267 2 ай бұрын

There is less than zero revelation to be had from this video.

@Asterix-m4q 9 ай бұрын

Perfect explanation is cannot give 10$ now but I will say cheers 🥂 here.

@Nightrunnergunner 3 ай бұрын

😂

@jet328i2 2 ай бұрын

$10. Not 10$.

@jayt2038 7 ай бұрын

To better help with understanding how the Regen works on diesel engines, if the ecu detects the dpf filter getting clogged, it triggers a injector that’s placed in the exhaust after the turbo to inject raw diesel fuel into the exhaust. The raw fuel reacts with the DOC and exhaust temperatures go up pass 1200degrees to burn off soot in the filter and turn it into ash which settles at the bottom of the filter and must be cleaned at prescribed intervals. Also if the truck is driving and the exhaust temperatures are already hot enough it will actively burn off the soot in the DPF which is called active regen.

@xxwookey 6 ай бұрын

Or some cars (most cars?) use the existing injectors + glowplugs (rather than having an extra one) to inject extra post-combustion fuel and heat. Explained here: kzbin.info/www/bejne/h2XEemNjra6EqcU

@jayt2038 5 ай бұрын

@@xxwookey yessir the 6.4 power stroke is a example of that

@MrTechMusicGuy 9 ай бұрын

Awesome video as usual and expert explaination...❤ Love from India.❤

@stevenlewisking1982 22 күн бұрын

I HAD PUT SOME GAS FROM A LOCAL GAS STATION IN A JAR. The gas seened to have a bit of a yellow tink to it. I droped a small piece or rodium ore into the jar and swirled it around a few times and let it sit for a couple of hours. The gas had turned pretty much clear. It also, had a clean gas smell to it. I used it in a lawn mower that I was use to useing and it seemed to add horse power to it and run better than normal.

@TomSon-ej3pw 21 күн бұрын

11:53 - virtually eliminating diesel odor... but what about the cold start? Does the dox catalyst need to warm up first?

@brencole7092 9 ай бұрын

Well done, very informative.

@jimpie231 9 ай бұрын

I don’t remember PCV systems before 1968. The cars we had before 1968 were, 1960 Corvair, 1961 Impala, 1964 Impala and 1966 Chevelle. None of these had PCV valves. We had a 1968 Camaro and 1968 Impala and I think these had PCV valves. I remember that the California reguilations started in 1967 with the PCV valves and then in 1968 for the rest of the states. This was the time I started driving cars. My first unleaded car was a 1971 Vega, it ran so poorly on unleaded gas, that after paying $0.41 per gallon, I switched to regular leaded fuel at $0.25 per gallon and the car ran beautifully. My last new car than ran on leaded fuel was a 1974 Nova (straight 6 cylinder) and it ran perfect. PS: cars seemed to get better as the years ran by. When I started driving Japanese cars, mainly Hondas, in the mid 90’s, I worked less on them and drove them more.

@FirestoneDK 9 ай бұрын

Back in the days, all those fumes and oil vapors in the crankcase were vented into the atmosphere. That's obviously very bad

@thebirdhasbeencharged 3 ай бұрын

I’ve never heard anyone say cat con

@terryshaffie1673 9 ай бұрын

How long does the DEF last roughly or does it have to be replaced after a period of time?

@brianbell7873 9 ай бұрын

Gets replaced once in 3 fuel stops

@k-forge6181 9 ай бұрын

Great information Thank you

@lmhholding 3 ай бұрын

Excellent technical information A+++

@timsemerdjian2344 3 ай бұрын

Very educational, thanks very much. These type of videos are excellent even for experienced tool monkeys like me

@mevoidieuboyer3989 9 ай бұрын

I learn so much from this video

@Asterix-m4q 9 ай бұрын

Indeed thehnology is awesome you need to know when to put stop

@GrandePunto8V 4 ай бұрын

Pathetic, that you need a YT video about such BASICS (covered in the textbooks from 1970's onward).

@josephlau8476 7 ай бұрын

I like your channel very much, so high tech.

@kolaranjithkumar452 Ай бұрын

Excellent

@s.j.5850 3 ай бұрын

I am guessing that you will (or already) have another video on the O2/fuel ratio sensors in relation to catalytic converter efficiency?

@TomSon-ej3pw 21 күн бұрын

12:00 - "These catalyst are ineffective for NOx". I am not an expert, but I don't think it's true. DOC catalyst converts NO to NO2 which acts as an oxidizer that reduces the temperature required to burn the soot in the DPF from about 600 celsius down to 300-320. That's the EURO5. In the end there is still harmful NO2 and/or other NOx's. EURO6 added SCR which aims to capture them.

@RePeteAndMe 3 ай бұрын

Three-way cats are greatly improved by adding a bit of secondary air after the reducing cat but before the oxidizing cat.

@johnmitchell8925 3 ай бұрын

Good video. For an Ai narrator

@stevenlewisking1982 22 күн бұрын

I can locate plenty of the rare metals needed for catalytic converters. I just need help mining, tranporting, and selling them in their raw ore form.

@bobdoingbobthings 9 ай бұрын

Why don't they add the urea stuff to the fuel in the filling station? Seems like that would make more sense. Unless there is some detail I don't know about.

@xxwookey 6 ай бұрын

The dosing rate is variable and independent of the fuel-use rate.

@EShirako 5 ай бұрын

Urea is very corrosive, too, and I don't think it dissolves well into fuel. Also, it sounds like the diesel filters use the water the DEF urea is dissolved in to be part of the catalysis/consumption process, so dissolving urea in distilled water is likely better as a combination because people would need to add ONLY water regularly, which they almost surely wouldn't do. Plus we often just use tap water, and I wonder what effect 'a bit of iron in your tap water' would have on the DEF equipment...I bet it would make a mess of things. Hard water, soft water, all a bad idea so we'd have to use pure distilled water...but 95% of people would slap tap water into the tank and call it good enough, then they'd just b***h that they have to replace their catalytic converter/DPF/whatever "every twenty thousand miles and that's the technology's fault, not theirs for using tap water!" So, DEF using distilled water as its carrier is likely the best combination of things to minimize annoyance, rust, or engine failures overall.

@marine-001 2 ай бұрын

one of the reasons maybe the absorbant in a submarine works fine with a slow air current while in a car, the exhaust gas flow can overwhelm the scrubber impeding free flow which knocks the exhaust back in the systemb into combustion chambers.

@W.Khairi 6 ай бұрын

We all should care for the environment not just governments, Exellent work, Thank u,

@JeremiahSprings-hw6kc 4 ай бұрын

10:35 diesel emissions (educational)

@SukhdevSingh-ge5rj 2 ай бұрын

😮😮😮😮😮😊😊😊😊😊 from Malaysia 🇲🇾🇲🇾🇲🇾🇲🇾

@udayuday7768 8 ай бұрын

Nice video thanks 🎉

@sadiyosharaf1318 8 ай бұрын

Reduction catalyst is rodium and platinum

@georgenjoroge2110 4 ай бұрын

i got the best answer now.

@tombradydid9114 2 ай бұрын

We could use catalytic converters for chimneys

@johannjohann6523 5 ай бұрын

How about the long octopus air intake systems added to engines today? Why every car doesn't have a functioning hood scoop to suck cool air straight directly into the motor (via air filter naturally) is completely beyond me!

@Michael-yi4mc 9 ай бұрын

A catalyst converts without changing itself.

@miratangtangit 3 ай бұрын

If CO2 is one of the final product to come out from the catalytic converter, why don't you install a scruber-like device in the outlet part which is used in submarines in order to reduce if not eliminate CO2?

@anthonyiocca5683 3 ай бұрын

Gasoline engines can and do clog catalytic converters. Contributing factors are; -poor fuel quality Ethanol does NOT increase fuel quantity. -Low RPMs hinder emissions performance When a clog forms in the ceramic structure one of two things will happen as pressure will buildup. -The clog blows out -The ceramic structure will blow out with the clog When the clogs goes by it’s self it isn’t very noticeable. But It mostly only opens partially and a (420) performance code will trip. When the ceramic structure goes it will trip a performance code (420) “IF” the ceramic structure is intact it can be unclogged by cleaning to restore performance, thus resetting the (420) performance code can be reset. I clean mine about once a year by adding a quart of lacquer thinned when my tank has only 2 or 3 gallons in it, near empty. I do this near a highway so I can drive with overdrive OFF at highway speed. In 10 miles any clog formed will be resolved. Drive it longer to clear it more. If it’s the first time ever done; Add two (2) quarts or more into a quarter tank of gas approximately five (5) gallons and drive it more. Take a fuel can with you until you gain confidence. As many people “think” their car could have trouble with running lacquer thinner through the fuel system. I don’t wait for a (420) performance code. I’ve done this for years now and my scanner shows me performance improvements every time. Preventive maintenance does eliminate costly replacements…

@anthonyiocca5683 3 ай бұрын

Exhaust gas recirculation does not do as advertised here. It’s mixing dirty air back in the combustion chambers in theory reburning to reduce pollutants by looping it through the system. What really happens is by looping the dirty air it creates more dirty air in the cylinder as in a snowball type effect. Rebreather systems help’s scuba divers but it’s not as good as fresh air. Find a way to feed it into the exhaust manifold not the intake. Even with a check valve pressure’s won’t allow it to enter back into the exhaust manifold. Sooo It makes exhaust worse NOT better. If anything install more cat-cons after the first in-line in-order to reduce pollutants. A multi step approach, rather then recirculating…

@DavidA20200 3 ай бұрын

Why not just add CO2 scrubbers after the catcon?

@mattdaddy_888 9 ай бұрын

Instead of wasting money on electric cars why not develop better exhaust filters for more emission reduction?

@geomine9542 9 ай бұрын

And to reduce old diesel cars!

@MrMadbrowncow 9 ай бұрын

Because Carbon dioxide is still a global warming emission.

@Surestick88 9 ай бұрын

Because the problem is now climate change which is driven by CO2 which can't be reduced with a cat.

@achekholbeckal889 9 ай бұрын

The newer cars already have good exhaust filtering systems, its the politic and the politicians that are pushing the EV for their own benefit, in ten years from now used batteries will pollute the earth more rapidly than the ICE

@barrybritcher 9 ай бұрын

Cos we are fucked for fuel as well. By 2100 no oil coal or gas

@tashahinton9821 9 ай бұрын

Mines was jerking and I replaced and the down stream 02 censor

@jimalbright5938 3 ай бұрын

Most catalytic converters on cars nowadays are kind of designed to unless there's a problem with them not reduced performance in any way because reduced performance is reduced fuel mileage. So they've made them flow well enough. That in less there's an issue with them. Typically, you don't gain any performance by removing them.

@TriPham-j3b 4 ай бұрын

Actually soon there is a reverse enineering of combustion action by twin cycynder like 6 become 12 and one action of combustion cycynder is couple with a twin work in reverse action so fuel less may exten fuel tank to few thousand miles

@sadiyosharaf1318 8 ай бұрын

Oxidation catalyst is pladium and platinum

@cristiandumitrana6510 3 ай бұрын

The cars pollution is setting overnight it's not comparable with a volcano ......or 1500 active volcanos With all respect for TRUTH and KNOWLEDGE

@andrenutbrown2284 3 ай бұрын

How about just a vapor fuel system to mix the fuel out of vapor level instead of droplets and increase efficiency reduce emissions and improved performance along with engine life

@bobmclaughlin4896 9 ай бұрын

It's very helpful... it shows that the catalytic system does not work. ....And there is a need for more engineering to make the system work and maintenance to clean hence 'filter'.

@samesultani9191 2 ай бұрын

Life stock produces a lot more carbon emissions. They should install catalytic converter in the rear end of all animals. Lol😅😂

@Michael-yi4mc 9 ай бұрын

The first converters pumped oxygen air into the converter.

@jet328i2 2 ай бұрын

I’ve never heard a catalytic converter called a “cat-con.”

@alexsainsbury2176 9 ай бұрын

With the amount of engineering, innovation and science put into modern exhaust systems, I'm beginning to think that, "upgrading" my cars exhaust to be faster and LOUDER, Might be the most ignorant and straight up disrespectful change I could possibly make to the car. Lol. Still might do it though.. For I am, a jerk. :)

@BassicVIC 8 ай бұрын

17:40 ⚠️ Car Jerks Ahead ⚠️ That’s a constant warning in EVERY city, catalytic converter or not.

@anthonyiocca5683 3 ай бұрын

Exhaust gas recirculation with gasoline engines does not do as advertised here. It’s mixing dirty air back in the combustion chambers in theory reburning to reduce pollutants by looping it through the system. What really happens is by looping the dirty air it creates more dirty air in the cylinder as in a snowball type effect. Rebreather systems help’s scuba divers but it’s not as good as fresh air. Find a way to feed it into the exhaust manifold not the intake. Even with a check valve pressure’s won’t allow it to enter back into the exhaust manifold. Sooo It makes exhaust worse NOT better. If anything install more cat-cons after the first in-line in-order to reduce pollutants. A multi step approach, rather then recirculating…

@anthonyiocca5683 3 ай бұрын

@brassmonkey7566 9 ай бұрын

The early ones get clogged rather easily we'd buy cars that wouldn't run hammer a long screw driver thru it and start right up....😅

@muazzamaliali7456 9 ай бұрын

Good

@stevenlewisking1982 22 күн бұрын

I'm also thinking that some kind of a combo of rhodium and other metals in some sort of a catalytic converter type system may be able to be used to filter toxic radiation in different forms. It may be used somehow in zombie mines filled with toxic waste containers. pin that one to the old wall. lol..... for later research....... later.....

@acidflows8166 3 ай бұрын

how to steal cat tutorial:

@Hybridknfgrowchannel 3 ай бұрын

Luckily i live in a freedom state so my vehicles are straight piped

@gogopedia 9 ай бұрын

so informative

@GrandePunto8V 4 ай бұрын

So basic, that no one should need an internet for this.

@upulananda1277 2 ай бұрын

👍👍👍

@brianbell7873 9 ай бұрын

They seem counterproductive

@blackericdenice 9 ай бұрын

Removing the cat will not help mpg. Anyone who want better mpg should buy a newer car or one that burn less fuel.

@Michael-yi4mc 9 ай бұрын

It worked up to 1996. The OBD computer outsmarted the DIY.

@napraznicul 5 ай бұрын

No shit? Which are your specialized education degree in internal combustion engines? How many hundred of engines did you upgraded as own build in your garage?😂

@blackericdenice 5 ай бұрын

@@Michael-yi4mc It never worked

@blackericdenice 5 ай бұрын

@@napraznicul How many tune-ups have you done? I bet I have more videos of me helping cars get better mpg than you.

@napraznicul 5 ай бұрын

@@blackericdenice Are you drunk? We are talking about REMAPS/tune, OR effects of a RESTRICTION on exhaust? Yes i do not make bullshit tune, i do only for my dta from the race car and no very often for few oem ecu's, BUT you just switched from my question to another domain, as was about a HARDWARE DEVICE affecting (or not) how the engine runs.

@maxxmich 9 ай бұрын

let's get rid of diesel engine and we will reduce our pollution by half

@syahmiadib9130 9 ай бұрын

Con's: The price of the product will double, triple or more.

@Gunner001 9 ай бұрын

This has to be the dumbest comment on the internet. You do know that literally everything you consume is delivered by diesel right? Your food is farmed using diesel, moved on diesel trains, delivered to the store using diesel trucks. Do us all a favor and please don't vote. Just stay home and drink your Brawndo.

@seanlemar1268 6 ай бұрын

Ignorance is bliss ... Imagine the horror of actually realising that gasoline engines produce more pollutant emissions compared to diesel engines.

@ajhibhaktiar 5 ай бұрын

When H²O be our fuel, we don't need CC

@Parthifzs 9 ай бұрын

Please upload electric vehicles related to technical videos

@abdenuryassin7582 9 ай бұрын

What about 5 gas analyze how is work can make one video

@GrandePunto8V 4 ай бұрын

There are hundreds of such videos on KZbin already, no need for another one.

@kayrams1792 5 ай бұрын

Cat delete is prohibited mainly in the western world. Thanks lord.

@carlostma643 3 ай бұрын

Typo in the THUMBNAIL! Seriously? *oxidation.

@carlgulbransen4852 2 ай бұрын

When much of the information in this presentation was accurate some was not. Removal of the catalytic converter is illegal. The horsepower gain is not noticable and the noise emissions, loud exhaust, is a dead give away that you are breaking the law. Fines are incredibly expensive and the catalytic converter will have to be put back in any case. Today's computer controlled emissions systems are incredibly efficient. Super cars like the Chevrolet Corvette and the Dodge Demon produce in excess of 1000 horsepower and pass the strictest emissions standards right off the showroom floor. Any modifications will only produce more noise and draw the attention of police and cost very high fines. I'm retired from the automotive industry after 45 years of working professionally. When I started there were no such thing as emissions laws or computer controlled engine management. Today you can buy a high performance car that can produce far in excess of 1000 horsepower and pass strict emissions standards all due to computer controlled engine management. In fact, the "clean air act" can be detected in the ice core samples of ice samples taken in different regions of the world. In my lifetime I have personally seen the improvements in efficiency of our cars and the resulting clean air quality in our country. It is greatly important that all countries do the same to improve world air quality. Tampering to attempt to improve performance is nothing more than meddling and improvement is highly unlikely and not recommended. People that deliberately turn up diesel fuel delivery to cause huge amounts of black smoke, rolling coal, are damaging their engines to attract attention like petulant children. Law enforcement will be extremely expensive and may result cause higher insurance premiums and other negative effects.

@heavydieselmechanic 9 ай бұрын

@floycewhite6991 2 ай бұрын

How it works is new car buyers are forced to pay thousands more, while people who can afford only older, used cars must spend thousands on platinum and palladium -- or give up car ownership -- when their perfectly good cars fail smog. Great scam! Exactly who owns the platinum and palladium mines, anyway?

@Asterix-m4q 9 ай бұрын

Lol This is a wonder invention.l but why euro 5 further reduces Nox if catalytic already dissolve noX