L5P DURAMAX BLACK AIR FILTER SOOT MOD!!!!!
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- čas přidán 24. 09. 2020
- How does the FACTORY AIR FILTER actually get soot on it from the inside (towards the engine)? We take a factory L5P Duramax and lay out what happens when you don't pay attention to the DASH MESSAGES TELLING YOU IM FULL!! This L5P takes full to the MAX.
For more information please email👇
- Tyson@pointblankperformance.com - Auta a dopravní prostředky
Most informative no-BS video I’ve seen
No one has time for that sir . Thank you for the comment we greatly appreciate it!!
THANKS FOR THIS. I HAVE A 2021 L5P WITH THE EXACT SAME CONCERN. FIRST TIME IVE SEE THIS CONCERN, SO FINDING THIS VIDEO HELPS.
And that’s the reason people delete that diesel headache
Yep perfect candidate for a full delete and tune!
Or maintenance
When I was a kid like forever ago a friend of mine had this Isuzu mark I it was about the ugliest 💩tiest car I had ever seen but it got like 45-55 miles per gallon. When ever we went on road trips we always went in his car we could get from our subdivision in Diamondhead Mississippi to 6 flags Houston on like half a tank of diesel and it was like 89c a gallon. I wonder what’s better for the environment a car or truck that gets better fuel economy or what ever this new bullshit is you can’t possibly tell me we couldn’t have trucks going 45-55 MPG by now if they just kept focusing on mpg instead of environmental crap.
Awesome video would love to see more of these informative videos from you guys
Tate Satterfield Thank you sir ! I’ll see what we can do to make it happen !
I really like these kind of videos, new sub, thank you sir!
Thank you sir we appreciate the feedback !
Awesome demonstration and explanation for the issue. Keep up the great work!
Thank you sir !!
Enjoyed your video. Great job, clear and concise in providing an overview of each components function. Thanks
Thank you Todd!! We appreciate the feedback many more to come !
That's crystal clear, thanks man awesome video!
Thank you for the feedback sir !
Awsome video. Good information. I have an 18 L5P as soon as my extended warranty is out I'm all over this!
Thank you sir for the feedback !!
Great video and explanation of the system. 👍🏽
Thank you sir !
Great job explaining the different steps.
We appreciate the comment sir thank you !
Very well done explanation. Thank you!
Thank you sir !
you explained it awesome. thank you.
Very clear and informative video. As a fellow CZcamsr and L5P owner, I appreciate the content. Subbed.
Scott Link We appreciate the feedback and Friday we have something dropping again for the l5p owners !
Can’t wait!
l5P duramax is a hot topic...lol sure is BRICKS great explanation !!!
I'm new to the diesel world. This video was amazing explaing that entire system appreciate you taking the time to break it all down.
Glad it was helpful!
Thanks. Excellent info.
Thank you sir !!
Great Video! I am new to Diesel and this whole delete and why people do it and what is even in these newer Diesels. Explained the emissions system while also learning how to diagnose other problems that may arise. Truly awesome, thanks.
Thank you sir we appreciate you taking the time to give us a response ! Thank you!
Same here. New to diesel and trucks so great to come across this and hope I can find more videos to help me like this one now that I have my 2022 2500 at4
Great explanation! I am researching into trading in the Wrangler and getting a diesel and an 5th wheel. But great information here. SUBSCRIBED!
Appreciate the feedback sir thank you !!
New sub! So in detail and dummied it down for me to understand!😂
Thank you sir for the view hopefully you liked the video and it helped some !
Well explanation
Very informative 👍🏻
Thank you sir
Great video!
Thank you sir !
Excellent tutorial
Thank you sir !!
Love the videos! Awesome rundown on the emissions system for the L5P. I would be 100% doing a full delete and tune with most of the gear already on the table! Cheers!
I dont think you can do a delete on these newer trucks
@@Mark-vi7ef 🤣🤣 says who?
@@giovannysanchez2806 the federal government. try finding the parts to do a delete. better to simply maintain your truck.
@@charlesjones257actually I insanely simple to find deletes.
Great through video
Thank you sir !!
Best explanation on how the system works.. I feel like I could fix mine .. when this happens great video definitely subscribed
Thank you sir !
Thank you brother !!!
💪💪
I have to say that,, you just saved me a lots of money and frustration. Thank you.
Been looking at a diesel truck to replace my 11 years Tundra due to change in use. Given that GM and Isuzu worked together on these motors , I was pretty sure that this would be the most reliable diesel you can buy. Seen and reading on forums how many trucks have issues and for how much you have to pay for one of these trucks these days, ,,, Is completely unacceptable for these truck to crap out like this at under 500 k miles.
Thank you again for opening my eyes.
Thank you for the feedback sir and thank you for watching !
It isn't the manufacturers, it's the shit for brains lemmings that run the epa, forcing this nonsense to be on the vehicle because the prius drivers don't want to smell the "smoke"
Great info
Thank you sir !!
That’s why every diesel needs deleted etc, screw the emissions ppl and DOT
Your videos are a great help to un understanding my vehicle I have the Duramax 2017 Sierra Denali 3500. Your video helped out greatly with letting me know exactly what was wrong when I had sick coming into my air intake. A question was how do you clean the DPF filters manually. Thank you for your time and your videos
And we appreciate you sir !!! On light duty and heavy duty truck in some locations there are dealership with dpf cleaning system that literally wash the exhaust from the inside . If this isn’t a options I’m afraid a new one or make sure you keep your idling a minimum !
Ty👍👍
Good thing you got all the junk off of it. I just bought a 2023 last week. I'll be deleting it very soon
Diesels,Harley Davidsons & Corvettes were meant to breathe freely & that’s it-so without saying anything thing else everyone needs to fix their free breathing capabilities 👍🏼Fresh air in & combusted gases out in a 100% free flowing manner.mic drop🎤
Awesome video and easy to digest!!! What could he have done to prevent this from occurring? I have a 2021 L5P and want to make sure this never happens.
Nothing. Eventually the DPF will clog up and need to be cleaned or replaced. Typically ash is what clogs a DPF up because the soot burns off in regen. The ash does not and will eventually fill up the filter.
Great explanation of how everything works but it would have been nice to hear exactly what kind of trouble codes or symptoms preceded this train wreck.
Good feedback we will remember to add the little details next time! Thank you again for watching!!
@@POINTBLANKPERFORMANCE what was the miles on the vehicle?
Great content and how you broke it all down . This person must have been getting engine default messages right ? Why didn’t he take it in for a check up repair before he got it to this stage of it .
Thanks
Wow I’ve never seen that
Love this vedoo very explainable . My Silverado 3500 hd desiel dersmax high country duelly is the first desiel I've ever owned I planned on opening a hit shot company with the truck but it's down n it sound exactly what's going on with my truck . My question is this problem covered by warermty n if not how would if cost to repair I hope it is covered
Honestly sir I don’t know it would be a great question to ask them !! This repair would run easy 5k plus sir and be a lengthy process !! I would hope it would be covered !
Well, if you had that off on my truck (not l5p owner) but a diesel owner. It wouldn’t go back on
Shouldn't the truck throw any check engine codes when the exhaust system is clogging up? usually the computer also knows when these filters are clogging and overheats the exhaust to burn the soot before even throwing any codes. Also isn't the EGR's job to recirculate this extra soot to make sure the engine burns it so it doesn't clog the filters? Did you find anything else wrong? because just replacing the exhaust filters will only be temporary fix, the problem will come back, won't it?
You can clean the filter with citric acid and water.
Do they make a high flow cat yet for the l5p or will they not do that due to emissions.
I have a 2020 duramax 6.6 that did exactly what this truck did we did fix particular filter regen and it cleared all code, running good until test drive, during drive reduce power message came back would only go 65mph and made like a vacuum air sound im guessing its coming from turbo we did not pull it , did y'all just clean the turbo or replace it
how does intake side of air filter stay clean was it installed upside down????
I have 2005 Miramax doing this , do they have the emission filter on the other side of the turbo . I was hoping it was an EYE valve causing this .
That much soot accumulation, in a short life, was there any power adding modules installed on the truck? Something like a derringer or edge pulsar? Something is creating more soot than normal on this truck, and I’m not so sure that stock programming and power would create that much soot, that fast that it can’t regen itself on a regular basis.
No aftermarket tuning sir , just was a system that did not properly get clean out or a egr valve that was faulty allow exhaust gases to enter at a low RPMs or idle.
Thoughts on a water methanol injection system if he is out of warranty? Before diesel power mag went out of business, they stated it made a world of difference by steam cleaning the entire system and doubling regeneration life.
Personally “back in the day “ we used the hell out of water meth and yes it does a beautiful job of cleaning the engine . Just be cautious of how much and how soon you are injecting in the engine “ Hydrolock is a real thing “
So how in the hell with so much back pressure it would even run ? Also didn’t any piston rings got damaged ? Oil rings? And also what was the mileage on the truck that exhaust filters got clogged ?
Great video of why you should get that garbage off of your truck as soon as possible.
Thank you for watching !!!
I have had problems with my map sensor getting soot all over it since day one which was causing limp mode codes etc . The SB filters relocation helped a little bit but I still get the code from time to time . What a headache.
What type of driving to you do often with the truck sir ?
You should have took The opportunity to delete the egr and that thing behind the turbo.
People don’t want to spend $5-6k
@@Bnrjms he said the repair was 8k
Another great video thanks!! Question i use my exhaust brake everywhere i go can this cause premature ware on the turbo? I do have a L5P thanks again!
On any of the trucks with VGT / Exhaust Brakes we have not see any early failures out of normal everyday use sir. The trucks that use the exhaust brakes from what we have seen are less prone to stick!
@@POINTBLANKPERFORMANCE Thats great! And thanks so much for the quick response. The video was great i just purchased my L5P and love it!! Thanks for the video!
@@davidkennedy5836 Anytime sir thank you for taking the time to give us a shout!
The exhaust brake is the first button I touch after hopping in. From towing to daily driving it’s awesome! My regular brakes will probably last 150k
@@bon2198 Thanks! I may work on a way to automate it. Have it turn on automatically using a relay.
Great video. How does the truck still run with a clogged dpf ? Shouldn’t limp mode be the safe guard to a clogged dpf until you can get it to a dealer ?
It will do exactly that . This truck would not run and had to be towed in. It would start then die. It would not be even idle.
@@POINTBLANKPERFORMANCE so he must of been trying to run it in power reduced mode for a long time ?
@@brandon34344 once your in limp like this one was your limited to 5mph . He said it immediately happen. His would not idle.
How could this have been prevented ( if possible)? Less idling and or more load on the engine to clear it out?
Defend the EPA and shred CAFE standards.
thats why weight loss is soo great
I just bought my first diesel truck. It's a 2019 Silverado 2500HD with 66k miles. I'm pretty excited about it. But Im very overwhelmed with all of the information I need to learn and retain. I know nothing about diesels other than basic beginner things. What would you recommend I do or read or learn to help me keep my truck from out of the shop and in good working order? What mods should I put on it? I'm not looking for power at the moment. Just longevity and reliability. So any advice you can give me would be nice!
This video was very informative and helped out a lot! But now I'm worried there's a lot more parts I should look at before I drive my truck too much to make sure it doesn't break down. Thank you.
Morning sir ! Thank you for the reply !! If you do have any question and would like some help your more than welcome to reach out to the shop or email us and we will do our best !!
So did this guy do a delete with out losing the weight or was he just not going into regen properly
My air filter is always bright white and clean on the top. Usually slight darker color on the bottom foam pirce. I just replaced the dpf due to stealership recommendations after blowing turbo inlet hose and various dpf related dtc codes. Do you recommend cleaning the egr?
2022 3500hd. 175k miles. Used to tow 20k daily
Exactly why my 2020 doesn’t have those failure prone parts on it.
Thanks for the reply sir ! We appreciate you watching !
Great video, one good reason some do away with these factory systems.
Yes brother, but show us how you changed everything
Did the exhaust gases overpressurize the cooling system also? Considering part of the EGR system is the EGR cooler.
Excessive pressure of exhaust gases in the cooling system could lead to blown head gaskets.
Just curious on the overall analysis of this truck. Well done sir! Emissions is junk.
Great video!! How many miles did this truck have at the time of disaster?
We appreciate the feedback sir !!! It’s been a while I would say under a 100k !!
Yes - thanks for a very informative video. I especially like the explanation of how everything is related to the next/previous component in the system.
I'm not sure if you know ... how many engine idle hours did this engine have? Let me do some math here - when I divide this truck's hours (which I see when I open my truck door) into the 100k miles I'm gonna guess I get a number close to 20 on THIS truck. In my guess of hours I came to approximately 5000. If this truck were just driven more, instead of idling at that coffee shop or construction site, it might only have 3000 - 3500 hours (according to the calculations that are from the GM L5P bulletin I read everywhere).
So is the solution just to drive more miles on the highway for many hours at a time? Thanks
Is only the clogged piece being replaced or other parts as well?
The entire exhaust would need to be replaced with a oem unit.
Good video, I own a 18 3500 silverado. Not sure if I missed it but how do you keep those filters after the turbo from getting plugged?
Biggest thing that stops up a DPF filter is high idle time , short distance driving and poor filter service . They need to driving a hwy speeds and longer periods of times so the soot accumulation can stay burned out. It goes against why even owning a diesel but it’s what has to take place to keep the system in check .
@@POINTBLANKPERFORMANCE thanks that's kinda what I was thinking. Keep up the videos, informative!
Get yourself a banks idash or and Edge Insight to keep an eye on the DPF soot load and regen status. That $300-$400 expense can go a long way to making sure you allow regens to complete and keeping your DPF burned out. The truck should display that info on the dash but doesn't, so you need something that can read from the obd2 port to get that info.
JD Bacon We agree sir ! Thank you for the positive feedback !!
@@jdbacon1366 also helps to have a way to force a regen.
Will the new blue def platinum help with that
Personally sir I have not gotten any feedback on that! Sorry
Hey brotha what’s the best engine oil and filter to use on these L5p engines ?
Honestly for a “oem application” we recommend getting it from the dealership. In our “ Race Application” I’ve personally only used Royal Purple. 6.0 and 7.3 Do not like it but everything else I use it!
Always wondered what Blake Bortles was up to
Amen sir !
did you guys fiquire out what caused this ? open egr? not enough heat build up?? be nice to know how to cut off the problem, thanks
Stuck open egr valve !
So many inaccuracies in your descriptions while trying to describe what is wrong will lead people who don’t know a thing about it down a bad path.
You’re correct in that there are plugged exhaust components but not in the description of some of those components and there use in the system. Accuracy is key here.
Your welcome sir to correct what is inaccurate.
It is just so sad that they put all this crap on these great trucks and completely ruin them all this dpf egr crap. It’s a real shame
ickythumptahoe ickythumptahoe We agree sir , hopefully in the near future they will get better !
and this is why we delete the whole EGR and DPF system - its continues to cause problems like this - very informative video
Thank you for the reply sir we appreciate your support !
@@POINTBLANKPERFORMANCE absolutely!! just stumbled across you channel the other day - video in particular was for Wagler! I just so happen to live in Indiana and will def be driving the hour it takes to visit those guys!! what an amazing find!! If i can do anything to help proliferate your channel - please let me know!
That is great for earlier models,,,but I have a 2018 and its 10k to delete!!! WTF??
My 2017 just rolled up on 750,000 km and still ran like a top until about a month ago and started staying in Re Gen and wont stop showing the " keep driving" message. It kept going into limp mode especially towing my 45 foot toy hauler. After the first 2 hours in ReGen it really started pumping out the coal for 10 minutes and it went through about 7 stages of this and every time it started blowing out the coal the power got better and better then it went from feeling like a 450 HP truck to a 200 HP truck. Pulled the MAP sensor and it was solid black sludge - cleaned it and no difference. Now I have to unplug the MAF sensor to get anywhere and still goes into limp once in a while. Have to keep my reader plugged in to clear limp mode to keep going. KInda stuck because at work for another month and very limited to no shop support way up north and still have to make the 1300km drive home with this trailer when im due for days off. Its got the DEF treatment all the time, never threw codes before last month. What can I do to this thing - to either clean the entire system out or hack some shit off to keep me going until I hit civilization?
Hey sir Monday if you want to give us a ring at the shop we can go over a few ideas to get you back up and running ! 870-236-4900
The air filters on my L5P haven’t had a trace of soot on them before tho, is it broken?
LOL no sir it’s working at 100 %
I wonder if he was running emission equipped tuning ?
No sir not on this one.
My understanding is the L5P has a regen mode/process that supposed to burn that material out?? Is that not correct?
It is correct !
Will the banks exhaust system help with issue… due to it decreasing back pressure?..
Anything that will decrease back pressure is a win for a Diesel engine !
Just as a note: Banks only replaces the last three and a half feet of the exhaust pipe.. so it does not affect sound. And their only claim is that it reduces EGT..
I have their 5” Monster (wanted a side exhaust, mostly to keep the front of my trailer from melting during regen) it deletes the cone/cooler from the tip and uses increased pipe volume/ diameter, to reduce the velocity and temp at the tip.. I did not notice any difference in backpressure.. I think the DPF is likely the biggest restriction on these trucks when Stock
@@WalterPidgeonsForge they advertise 85 % reduction on back pressure… but I notice nothing.. so what’s up with that??
Isn’t the emissions system covered under warranty for like 7yrs or something?
Anyway, I liberated my L5p at 3900 miles,
I was shocked at the soot already inside at that low mileage. Cleaned what I could... don’t have to worry about anymore though!
50calprepper Good question sir we don’t know on the coverage and I’m glad your Up and running with a healthy truck again!!
My truck has 84 miles and it’s in the shop as we speak getting that bs taken off
Clemons Hell Yeah!
50calprepper mine too has been liberated to 3k miles! The bald eagles now scream soot free
@@xlandscaper These things are beasts when unleashed
how many miles were o. the truck
Anthony Caltagerone just over 100k sir
Awesome video!! What were the miles on the vehicle?
Under 100k sir !
@@POINTBLANKPERFORMANCE wow!! I had my entire fuel system replaced at 70,000 miles. Thankfully it was still under warranty.
@@POINTBLANKPERFORMANCE thanks for the great videos! Much appreciated
@@rickg-funk3144 Glad to hear !! It can happen to any of us but never wished it upon anyone !!
@@POINTBLANKPERFORMANCE wish I didn't live in California lol or parts would be falling off 🤔 😉
Dame how much was the repair?
8K plus sir.
How meny miles till this happens im at about 100k same year and truck
This is extremely rare sir , if your truck is maintenance regularly you “ shouldn’t “ ever run into this !
Brand new to diesel motor just bought a 2021 2500 high country duramax. Isn’t that what the DEF is supposed to clean out when the truck regins???????
Def only purpose is to lower the (NoX) in the exhaust or dissolve as some put it. The filters captures the large particulate (soot) the def helps dissolve it and when you drive your diesel these particulates get “burnt out” through the system . The worst thing for the filters are idle time , poor air filter , stop and go driving . They designed the system in my opinion to be driven rather than what most of the time happens of stop go all the time.
@@POINTBLANKPERFORMANCE Is there a monitor I can install to know when my truck is in regin. My understanding and it’s limited is there is a 9th injectors that puts Diesel into the DPF to burn all the soot that is collecting in there. I’m asking because there tons of monitors out there and $300 plus I want to buy one that allow me to monitor this DPF part of my truck to insure it’s cleaned
@@craigcanterbury264 We always push a edge cts3 and if I remember correctly it has a stationary burn off feature ! That would be ideal for your application Sir.
@@POINTBLANKPERFORMANCE thank you for your help. Like I said I’ve never owned a Diesel engine before and want to start off right
@@craigcanterbury264 Totally understand sir anything we can help out with we will!
That's why you delete that bd
Was this truck stock? No pulsar or banks?
Correct Stock !
Have there been problems from running a K&N airfilter?
We personally have not seen any issues sir.
I've been having a reoccurring CEL with trips to the dealer. This time they claimed it was the K&N so we put a factory one in. Thanks for the reply
@@formylav8 Have you looked at the mass sensor ?
@@POINTBLANKPERFORMANCE just pulled it . It was fouled. Couldn't even see the sensor. Cleaned it and cleared the code. Now to drive it.
@@formylav8 We’ve had a mass air flow sensor appear good with minor “dust” on it and the truck drive “ ok” but still did not fuel how it should . We replaced with a new one and we found all the power we were missing.
Force a regen every oil change and never plug up.
And this is why you delete that SOB and stop pooping exhaust into your engine.
Thank you EPA for ruining light duty diesels might as well just deal with 9-12 mpg and buy a gas burner my Ford 6.2 gas running trouble free 180+ k miles. They did the same to heavy duty class 8 semi truck's, ruined the reliability and fuel milage.
what is your opinion on the L5P ccv bypass system? worth the price?
Yes sir anything that keeps oil out of the inner cooler and intake valves is a win win!
@@POINTBLANKPERFORMANCE not many options what one would you recommend?
@mikethetoolman8776 We will be releasing our the first quarter of the year but for a right now purchase Run SVE sir
@@POINTBLANKPERFORMANCE when is availability and what will the price point be? worth waiting on yours? also looking for a better fuel filter system? recommendations? thanks for the replies and answers!l
@@POINTBLANKPERFORMANCE is spelab chinese junk clones?
Just like a clogged catylitic converter on a gasser
I have a '20 Sierra 2500 Diesel Denali with 55k on the meter, bought it used couple months ago. Currently broke down with it and our RV states away from where we live. Cannot get a service appointment anywhere around us at a GMC dealer. They're telling me could be weeks to look at or fix. WTF!!! I've got extended warranty on top of factory warranty, Onstar full subscription w/Roadside Assistance and they won't tow our RV, just the truck. Anyway, the truck is running so rough the engine is shaking the entire truck. When it first started happening I was on the highway with cruise at 65mph, felt like the axle on the trailer came apart or locked up or blew a tire because the vibration became extreme. But then realized it was the engine running rough. Another thing I noticed is that the truck started going through DEF really fast. I got a message that I had 999 miles left and then 15 minutes later it said 222 miles left. Also, once I parked the truck the gauge said I had half a tank of DEF but my phone's app was giving me a low DEF alert. So I looked it over, the hose clamp on the black box on top that says "Duramax" was loose. I thought maybe it was sucking air there and that was the cause, so I tightened the clamp and took the truck for a drive without the RV. It was still doing the shaking/vibrating, so I thought maybe the DEF DPF regen was clogged up or something, so I ran the shit out of it (first time ever getting on this truck and wow is it fast for as big as it is), sooo that sort of seemed to help, but now even at idle the truck goes from running perfectly smooth for about 5 seconds to running rough and shaking the entire truck for 5 seconds and back and forth. Any ideas anyone? I have no clue about diesels, this being my first and the GMC garages are bending me over.
Is it a 17-19 L5P?
@@POINTBLANKPERFORMANCE it's a 2020
@@wilhallman2890 Can get to a quote zone to pull the codes ? It should like a pigtail issue on a injector . I can try to help !
@@POINTBLANKPERFORMANCE I replaced the fuel filter today, no help. I did see what look like tiny little specs of metal in the fuel that came out. Also, in the fuel tank I'm hearing a really weird slurping sound... like when you slurp a soda with ice and the soda is all gone. I'm going to upload a video of it.
@@wilhallman2890 Save a sample of your fuel !
There is no way the check engine light never came on - these motors will not regen if a mil is triggered !
It’s came on and was on when it was towed into the shop not running.
Too much idle time??
That very well could be a factor sir !
@@POINTBLANKPERFORMANCE This is likely a big contributor.. emissions controlled diesels that never get run hard enough to regenerate properly, clog the DPF so fast.. this is a HUGE problem with all those Sprinter Vans made after 2006 and All the Ford Transits with a diesel as well.. they idle while getting loaded and soot up.. then they rarely run down a highway where exhaust volume is high enough to clear the whole filter.. When the DEF gets injected at low engine speeds it doesn’t fully clear the soot off the DPF… you need to run them down the highway.. The Banks Derringer with the monitor allows you to force a regen cycle.. I do it while running down the highway… it also shows the pressure differential between before and after on the DPF.. so you can tell whether the regen was effective or not.
Love my 2018 Denali with it’s L5P.. but Deleting isn’t an option for me.
How many miles were on this truck
Close to over slightly over a 100k sir
I have 101,000 I'm my 18 I was hoping to get 200,000 before changing my dpf
@@bentleyfatheree1616 Most L5P sir we see with that kind of mileage and they are happy!
So I should be able to get 200,000 stock?
@@bentleyfatheree1616 Yes sir !
So why did the filter get stopped up and how can you clean that filter out to prevent this from happening.
The filter on this truck could have gotten stopped up for many reasons . To much idle time , dirty air filter , poor injector atomization and so on. The filters get “cleaned” by highway driving or a regen . If they are to far gone like this truck and more exhaust gases are going out the air filter then the entire system is replaced.
THE valve not the .
You are holding a DOC not a DPF and the DPF has differential pressure sensor when pressure is to high check engine will come on.
Thank you for the feed back sir !!