THE 2019 CHEVROLET 5.3L V8 WITH DYNAMIC FUEL MANAGEMENT: Has It REALLY Been Improved?

[@joshtaylor1416]

Mine has the DFM system in it but it’s not activated because no chip!😊

[@nerdyism2523]

For those who want a GM new truck without EPA enforced gimmicks now is a good time... Semiconductor shortage means no AFM/DFM for a bunch of 2021 models... I just picked one up, even says it on the window sticker (no AFM)

[@lacydowningjr8708]

This exactly why I have a 2021 in route. Made sure the window sticker showed it wasn't on the truck.

[@hmdwn]

But without the AFM you're sacrificing fuel efficiency... have you seen the 'current' price of gas 3/2022

[@Deathshealer]

i have bad news for you. the chips arnt in the trucks but the same AFM/DFM lifters are still installed. so basically what you have is a AFM/DFM/DOD turned off but the hardware is still there and can still fail

[@brianneston8575]

How do you know it goes from V8 to one cylinder mode or any of those combinations? I know on my 2010 when it happens.

[@mikeleone7702]

I have the same engine I’m hereing a small tic tic tic noise when it’s running thy Said it’s not the lifts but I don’t know is there something that make that noise that’s normal

[@kenderose3763]

Kevin do you know anything about the 3.6 Litre V6 with the AFM. Do you Range will come out with a unit for. It is AFM not DFM. Thanks brother! Kenny.

[@KevinsAutoChannel]

Honestly Ken I’m not sure about the V6 and the Range. It would be good to drop them an email to let them know you would be interested. Right now I believe they are mainly focused on the V8.

[@brian496]

Get the pulsar lt it deletes everything

[@johnserrano9689]

Hey man how's your new range tech DFM delete chip work??? Planning on using it for my wife's 2019 Tahoe. But I can't fuck around as I need it absolutely reliable for her since she's usually trucking our little man around. Thanks for any help man

[@KevinsAutoChannel]

It worked great for over almost a year and a half before I got rid of my truck. No complaints from me.

[@johnserrano9689]

@@KevinsAutoChannel good to hear man thanks for the reply. Hopefully you didn't jump from the truck because of problems, rather to make a good profit in trade

[@marquesbowden0130]

Just got my 2019 z71 in April and I love it. Even though I miss the horsepower of my 2013 Hemi quad cab, working in the Oil and gas industry actually benefits with the dynamic fuel system, especially when I'm driving from my home in Texas to Wyoming and Montana. I always find it interesting that Chevrolet base engines tend to have lower horsepower but last the longest(based on my observations)

[@kikitoh8655]

Soo is this a good truck or no

[@apolloniaaskew9487]

On the 2021 Silverado and Sierra with the 5.3 V8 , you can get the engine with code YK9-AFM/DFM DELETE with a $50.00 rebate and the start/stop delete for another $50.00 rebate. Now if that engine was on the Suburban/Tahoe and Yukon....

[@jamesthomas7977]

I am a Ram 1500 owner with the 5.7. It has cylinder deactivation as well, called MDS, Multi displacement system, which is similar to AFM. I am surprised to hear that you can't turn it off and run on all 8. With the MDS system, either turning on the tow/haul mode or using the gear limiter will disable the MDS. I am surprised GMs system doesn't work similarly.

[@OscarMorales-gx5jv]

Why you 2019 an up because I 2018 gmc sierra and also that system v8 v4 and I dont like either

[@DH-mf2lv]

EXACTLY why I bought a Toyota Tundra. No cylinder deactivation & no auto stop/start feature!!

[@KevinsAutoChannel]

Good to know this for future reference. I'll take a little less gas mileage any day

[@domstarkey7279]

I hate my junk wished I would've sold it back when they was at there highest been chevy guy all my life an never been more unhappy the first recall almost beat me home paint so thin they scratch the fender wheels just putting a rubber mat in it an you would think the rearend had 500000 miles as much slack in it now if you idle around around for a while it misses then aggravate vme bad

[@pcaroleo1019]

The options would be good. But I am pleased with the performance of the truck v8 5.3 .

[@karlschauff7989]

They can't put a button in the truck to deactivate DFM or AFM. The EPA won't give them "credits" for a defeatable fuel economy/emissions system. It's the same reason why some vehicles don't allow you to turn off the auto start-stop system that shuts the engine off when you come to a complete stop. They don't get credit for having it if the manufacturer lets the owner turn it off. AFM and DFM can be disabled. There are devices that plug into the OBDII port down by the hood release that will not let the engine deactivate cylinders. There are also tuners that can disable the system permanently. Either way, the engine will be in V8 mode permanently and you will never have a chance of a lifter issue. AFM and DFM are a lot more reliable than they used to be. The primary way they fail these days is by waiting too long to change engine oil. Dirty oil causes the vast majority of lifter issues. It's similar to the most common ways Ford engines develop problems... dirty oil clogging up the oil feeds for the cam phasers and lash adjusters. People buy expensive full synthetics that tell you it's good for 10,000 miles. It's far better for the engine to buy cheaper syn-blends and change them every 5,000 miles.

[@KevinsAutoChannel]

I use the Range AFM/DFM override device and it works well

[@Ahmad-yw5hl]

I honestly haven’t noticed it yet because I still have the stock exhaust. I’m very impressed by the MPG that I’m getting with my Silverado. I’m averaging between 20 to 25 MPG. If it’s going to save me gas like that I honestly don’t mind it.

[@KevinsAutoChannel]

From factory it’s perfectly fine. I noticed a drop in my mpg when I changed the exhaust.

[@natedawg120]

sport mode helps

[@TB-cq3zj]

Dfm lifter sucks, $6000 repair, cam goes bad $9000, stretch fit belts, not even sure how to get the water pump off because 1st the ac pump has to come off and there’s no slack in the housing to get that off. Stay away from these trucks and this engine, to the engineers responsible? You have COMPLETELY screwed the buyer, enjoy your check.

[@shawnwuan]

Man good video! Just sold my 17 Silverado for a 2021 LT 5.3 and you nailed this about how I feel. Like my truck but don’t love it for the reasons you said!

[@KevinsAutoChannel]

Exactly! I like everything else about the truck just not the DFM

[@swflmotorsportsfan6667]

My 2019 Silverado has 30,000 miles on it. At the dealer now getting the cam and lifters replaced due to this EPA technology

[@bguy86]

How did you know they are bad

[@andrewwells4117]

2021 gmc sierra with 5800 miles just got towed away from my house today on a flatbed lol.

[@Athletyk]

I have a question, do these engines still build up carbon? I wanted to upgrade my 2011 but all my mechanic friends advised against that claiming that the new ones have problems related to direct injection. my current truck has about 150000miles on it.

[@KevinsAutoChannel]

Yes direct injection engines do build up carbon because the fuel is injected straight into the cylinder bypassing the valves. Port injections sprays onto the valves and thus cleaning off the carbon build up. The best modern engines have both like the 5.0 from Ford.

[@archguy75]

Great video, thanks for making it, very helpful as a like modifying my exhaust, not sure I will buy one now

[@pauldanielwilliams5136]

Can you use E85 on this truck

[@KevinsAutoChannel]

Yes it is advertised as a flex fuel engine. I have not tried e85 in mine. I usually run 87 regular

[@Clint_the_Audio-Photo_Guy]

So are you saying no matter what model I buy, if it's got the 5.3L V8 in it, it will have DFM? I'm specking out a work truck, but I don't want this stuff.

[@KevinsAutoChannel]

Unfortunately all Silverados have this technology in them now. I believe the customs have the last gen 5.3 in them. It will still go between 4 and 8 cylinders though.

[@anthonyortiviz3229]

Do a delete cam an lifter swap an i find some one who can program that shit out i did it on my 2011 gmc sierra

[@surffiend757]

i hsve a 2019 LD LT. Is my engine updated like this truck in the video?

[@KevinsAutoChannel]

It should. I believe the custom is the only one with the last gen 5.3.

[@karlschauff7989]

The 2019 Silverado LD has the AFM version engine.

[@surffiend757]

@@karlschauff7989 2018 2019 and 2020 has the AFM. I just want to know if my engine is this "new" possibly improved engine or if they used the same as the 2018 in the LD

[@karlschauff7989]

@@surffiend757 There is AFM and there is DFM, so you need to be specific. 1st gen AFM engines were in the 2013 and earlier trucks. 2nd gen AFM engines were in the 2014 to 2018 Silverado/Sierra 1500. They were also used in the 2019 Silverado LD LT which is really the same truck as the 2014 to 2018 Silverado 1500. The new body style 2019+ Silverado Custom and WT trims also use the 2nd gen AFM engine. The new bodystyle 2019+ Silverado LT trim and higher trims use the new DFM engine. A 2019 Silverado LD LT would have the 2nd gen AFM engine. It does not have DFM like the truck in this video. AFM shuts off half of the cylinders and always the same four cylinders. DFM shuts off up to 7 cylinders in different patterns to make it smoother and more efficient.

[@wpafreddy]

In my 2014 i can keep it out of AFM mode at all times, by putting the gear shift in manual mode and leaving it in 5th gear, instead of 6th. Can anyone with a 2019+ confirm that works with DFM?

[@NicholasOrlick]

Love my truck the 6.2 is a ripper! That being said, I do have concerns long term with the DFM! I wish there was a plug/play dongle that could override and disable this feature. And they will come out It’s going to take time.

[@KevinsAutoChannel]

I have ordered the new version of the Range Tech obd2 port adapter to see if it works for our DFM engines. I will let you know as soon as I get it and try it out.

[@NicholasOrlick]

Kevin's Auto Channel *knocks on wood* hope that does the trick

[@broboman7435]

Tottally agree on the button for no AFM/DFM... "Sport mode". I am in a 2016 so AFM, but I have a resonator delete and new muffler tips so I definitely hear the difference when it swaps into v4. When im rolling through town I want her to rumble, it sound vain, maybe it is, but damnit thats my right!

[@Mikey-wf9py]

U can put in manual mode to stay in v8..... Or buy a 2500HD it has no AFM/DFM

[@thereckchanic4709]

Hahaha, I see you rocking that Ford 5.0 liter doing this Chevy review. I prefer the 3.5 L Ford twin turbo engine getting better torque at lower rpm plus same or better fuel economy

[@hmdwn]

but, you're now adding in the wear and tear of twin turbos and, does the current 3.5 ecoboost still have issues with the timing chain stretching? The smaller 2.7 gets great reviews for being a very quick and powerful engine while offering very good MPG's. But again, the twin turbos worry me for longevity.

[@TheeDanatee]

It kind of sounds like a jake brake. Which kind of makes sense since both technology uses air to manage a deactivated cylinder.

[@d-mac8705]

I just brought one of these and I did want something that was more fuel efficient than my03 s10 but the main reason I got a Silverado was wanted a v8 engine. It wasn't until I test drove it that I realised it didn't roar like a v8 which honestly I'm a bit sad about

[@LameWolff]

Most likely you will not see a switch for a straight V8 unless possibly some after market company comes up with it. Thank the EPA.

[@felixfuentez1631]

I like what you said I would rather have a straight V-8 or a button to just use V8

[@thomaskennedy678]

i have a 2019 l82 5.3 silverado lt z71 texas edition 52,xxx miles one owner royal purple since new motor is locked up solid no oil leaks no oil consumed still looks great on dip stick worst chevy motor ever will never buy new truck again

[@patmcbride9853]

Thanks! That people who make other people listen to their exhaust are miffed, is funny.

[@Rolando083]

Which rear end does your truck has

[@KevinsAutoChannel]

I believe it has a 3.73

[@Rolando083]

@@KevinsAutoChannel I have the LT with the 3.23

[@KevinsAutoChannel]

I just checked my specs again on the window sticker and it actually has a 3.23

[@Rolando083]

@@KevinsAutoChannel I think it only comes with the 3.23 and the 3.42 I don't think they do the 3.73 any more

[@thefutureisgrim9391]

I bypassed it with range technology

[@chuckgrandstand351]

I have a 2020 silverado rst love the truck still have the stock exhaust so have not noticed it yet but dont think it is good to cut cylinders off probably will lead to valve problems

[@michaelpicozzi3910]

Please eliminate that I had 14 Silverado it was a nightmare when I modified it until I installed the range I can only imagine what the newer versions are like I don't think I would buy one I would have to say the majority of us want the V8 not all that b******* or have the same thing a button to turn it off 1

[@oscarrodriguez6227]

Recommend gas for the 5.3 is 87? And 6.2 91?

[@KevinsAutoChannel]

Yes on both but preferably 93 for the 6.2

[@oscarrodriguez6227]

Kevin's Auto Channel can I do 91 on 5.3 or no?

[@NicholasOrlick]

93 gets you the best results, 87 will work but not as good. If you put 91 you’ll probably be fine. Long term use what they recommend.

[@richardharner6927]

I have a 2020 and also wish I could turn it off. I have heard many problems with this.

[@hmdwn]

"cylinder deactivation technology and 17 different cylinder patterns" ...sounds like a very overly complicated, over engineered system that will be problematic and short lived with lots of repair costs... prove me wrong.

[@mikerosenblatt6827]

Had lifter(s) go bad (collapsed) on my Z71 5.3 2015 with 60,000 miles (AFM) in Dec. Swore if it happened again I’d trade it ......... well guess what? Yep another lifter issue in Feb. 😡😡

[@ronaldmorrison2571]

Ford hat, Chevy vehicle Makes sense

[@KevinsAutoChannel]

I'm a car guy. I like all the brands lol

[@johnoceanyang5522]

My 2019 Chevy 1500 only 15000 miles and the damn oil tubing came lose oil all empty in minute when I was driving in hiway. GM made such cheap truck now I made a wrong choice buying Chevy 1500

[@edcar61]

I would love to own a chevrolet pickup, but I want buy one because if the afm or dfm system. Too many friend are having trouble with them. Dealer blame everything from transmission problem to excessive oil burning on these system.

[@karlschauff7989]

And Ford blames excessive oil burning on software. Even when it still burns oil after the software "fix". -ex 5.0 owner

[@edcar61]

@@karlschauff7989 and ?

[@charlesdahlin5430]

I can read a brochure too...

[@j.arreola]

All I’m hearing is engine disaster for GM once again🤦‍♂️

[@nicholaspatterson961]

Why are the trannys junk, they should last longer than 32 k unlike mine new off the lot

[@KevinsAutoChannel]

The 5.3 and 6.2 engines are dropping lifters and bending push rods at 5000 miles on the 2021 models. It's a shame how bad the quality control is getting.

[@nicholaspatterson961]

My 2008 silverado ran from 100k when I bought it now its at 360k and it just dropped a lifter last month, wich I will be fixing I love that truck it's worked alot In itife and has had no problems, the truck was built not bought, it's hauled 100s of cord of firewood down dirt roads with no hiccups, the tranny is still solid, unlike the tranny in my 2017 5.3

[@larryhaywood9057]

Don’t like it

[@TheSaintberzerker]

Thanks for this. This is a definite deal killer for me and I'm in the market. I hear GM is getting a disable feature out there for this. Almost as lame as the Raptors fake engine noise through the stereo speakers.

[@KevinsAutoChannel]

The Range device has been working well for me. It keeps it in v8 all the time

[@DH-mf2lv]

You better hope DFM is better than AFM. AFM engines were/are an owner's nightmare and GM won't pay for repairs after the warranty has expired. Think I would buy another GM product? I don't think so!

[@KevinsAutoChannel]

Hopefully it will last a couple of years for me. I'll go back to Ford or Toyota for future vehicles

[@DH-mf2lv]

@@KevinsAutoChannel You have a beautiful truck. Hopefully DFM is much better than AFM.

[@Chinunit22]

Not worth over 50 grand for Advanced Dynamic AFM which makes system more complicated can't even imagine taking this system out once it fails. GM made a huge mistake by introducing it in a first place. Nice truck though, but engine add on is usless and disastrous

[@KevinsAutoChannel]

I agree. Engine is weakest part of the Silverado

[@Salieri21]

Hi there Kevin. I have owned a Silverado 2012 and I absolutely love it. Powerful and dependable through and through. Now I'm planning on buying the new Tahoe soon and would like to hear your advice regarding the newest generation. I have seen so many people complain about the 2015 Tahoe in particular. In fact, it's the only Tahoe with a low reliability rating of 1. Did GM correct the problems in 2016 and up models? Or is it still less dependable than the 2014 and before models? Thanks for the great channel content and stay strong. 👍🏻

[@KevinsAutoChannel]

I will do some research and make a video on it for you

[@Salieri21]

Kevin's Auto Channel can’t wait Kev.👍🏼 Your insight and experience on GM is extremely helpful. Always unbiased but fair and balanced.

[@anthonymacneil2279]

Love my 18 High Country 6.2L, disabled AFM as soon as it left the dealer. The next generation is disappointing that why I bought what I have can't get my head around the look of both Silverado and GMC. The 8 speed is an ongoing issue and the new 10 speed is starting to give issues to some. Come on GM shit or get off the pot.

[@DH-mf2lv]

How did you disable?

[@anthonymacneil2279]

@@DH-mf2lv Range Technology

[@swflmotorsportsfan6667]

Looks like they are going electric with the Biden Harris Admin.

[@roadservice1723]

All new Gmc cars and trucks shit nothing just problem dont buy it

[@codydunn242]

Hmmm all that work for 1 mpg lol

[@KevinsAutoChannel]

Yeah tell me about it. Just give me a good reliable V8 and leave all that tech off of it.

[@keithfreeman4015]

pulsa lt on my truck. Killed dfm and auto stop start. Gained 2 mpg.

[@jp407]

@@keithfreeman4015 Is that a tuner?

[@nerdyism2523]

@@KevinsAutoChannel well, 2021 got you covered... Semiconductor shortage means that some of their trucks will not come with AMF/DMF... My brand new sierra is all V8 all the time.

[@hardj423]

I got a 2019 Silverado rst oakwood metallic I call mine oakwood he is a boy I had a tundra before like this one better

[@KevinsAutoChannel]

They are definitely nice, comfortable trucks

[@hardj423]

Kevin's Auto Channel I live in Jacksonville Florida I saw your video on the ims bullet muffler looking for a quiet muffler do you recommend that one

[@KevinsAutoChannel]

It will have the same sound as a Corsa exhaust so it will be a lot louder than stock but not as harsh as a raspy cat back.

[@hardj423]

Kevin's Auto Channel did you ever find a 2019 range disabler

[@michaelhallman602]

I’m shopping for a truck now. My first vid on the DFM was helpful. I don’t know if the dfm would be beneficial since I do a lot of back road running. Would it affect towing? To the next video to answer that. Thanks

[@hardj423]

michael hallman just buy a range disabler truck will stay in v8 I love mine

[@JOSELOPEZ-dt3ll]

Stay away from Chevy I have one , nothing but problems same 5.3

[@Red5oh]

I think it’s a great feature to have. Not sure the complexity if something break in the future.

[@KevinsAutoChannel]

I agree, it is a great feature. I am worried about problems with the engine after 60,000-100,000 miles when the warranty ends. This is why I would like the option to disable it.

[@amprg]

Now a day, manufacturers dictate whatever they want and of course, charge the customers upfront, and then later again when their products break. It's not just GM. From LG all the way to Ford are all the same. It's the reality of our lives. My previous 2014 and 2012 with the same engine easily went to 100k miles without any engine problem. We should be worried about other parts of the truck to go out of service, like these complicate door handles, seats, plastic parts, infotainment unit, two many computer modules, ... Specially now that CHINA will be out of picture for a while. I hope all manufacturers come back to the US and take care of the quality again. Sorry, I can't say anything about the muffler noise. I never change the stock muffler and I enjoy original engine and muffler noises.

[@Red5oh]

Kevin's Auto Channel Yes I completely agree. I feel the same way with new start stop technology. It may save 1 mpg overall. But the wear on starter and relaxing heavy duty bone isn’t worth the gas savings.