Duramax regen too often 0 Duramax diesel engine is crucial for ensuring the longevity and performance of your truck. It's rough and so I go slow, usually in first gear but at 1500-2000 rpms so I don't lug too much or build too much heat. if I'm on sort of flat terrain it last less than half of the time. it will probably regenerate more often than casual driving around town unloaded. I noticed that when my truck regen'd it would not go all the way to 0. Jump to Latest When you say no codes, but going into regen too often how many miles would you guess between starts? To get this DTC 2459 code I'm assuming the truck needs to be in almost constant regen, Hello I just bought this brand new 2024 Silverado 1500 3. 5" pro comp rims 6000k Hid 55 watt lows Transgo Jr PPE shim kit Active Regen describes the procedure your truck goes through to burn that accumulated soot. I barely make it one tank, and I'm on the high side of regen interval (400+ miles) unless running hard on the highway and keeping the exhaust temps up. If mine goes into regen in mountainous terrain it can stay there for a very long time. Save Share This forum is monitored by GM and Duramax people, Often shortened to “regen,” a DPF regeneration is the act of the system burning off collected particulate matter and turning it into ash. Unless my truck starts to regen too often, I won't get the new flash done , I would rather not mess with something that is operating as designed. Parked Regen In some situations, passive regeneration may be I too was a card carrying member of the ~200 mile regen club. It lasts for 15-20 miles if I remember correctly. My engine cranked up to 2500 rpm and went to town fixing my emissions control system. 5 LLY Silverado, Edge Juice, water/meth injection. :smile2: Let's call this one fixed ! I know it took too many videos to get to this point but I really wanted to keep you guys up to date on what i was trying and what On my way to work this morning (22F/-5C), it finished a regen and regen % and soot load gradually worked their way down to 0. The process of burning off accumulated soot in the DPF. 0L Duramax, I see this often too. As posted above, the dealer forcing the manual regen should also be finding and correcting the underlying DEF tank level has nothing to do with regens, and is injected well past the DPF. Regen. At 68-70 towing my fifth wheel I’ve only been getting about 9. I am a first time diesel owner and I have a question for the diesel experts. Next start up once warm enough it will just continue regen if it wasn't done. At the same time, regen would come on at around 16 grams of soot instead of 44. I have a 2021 with just under 13000 miles. Turnd out to be cracked DPF on my LMM. A manual regen on a Duramax engine can take anywhere from 30 minutes to an hour or longer depending on several factors. In the last 15 miles of my trip, the regen slowly incremented to 4% (more like my L5P) but soot stayed at 0%. Funny thing is, it will only stay in regen for about 10 minutes or maybe 20 miles. Understanding and properly managing the exhaust regeneration process in your Chevrolet Silverado with a 3. 1 Go to page. Like the rest, mine was regening way too often. If the truck has lots of miles on it, it may need to be replaced. 02 psi. The biggest change is that the diesel particulate filter is now supported by the Edge Insight CS2, Insight CTS2, and Amp'd Throttle Booster. My truck is commins isx 450 Too many So I have a 2012 duramax, got just under 80k on her and I drive about 40 miles to and from work each way, my truck tends to regen quite often. My 2016 has started doing regens every couple hundred miles. I drive mainly highway and was getting on average, 20 mpg not pulling and 10. An air filter can become clogged with dirt, tiny particles, debris, grime, chevy has us in regen way too often, A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. There are tons of myths about Duramax The common myth that deleting the DPF and/or EGR to make power has gone on too long! If you've been looking for ways to push your 2020 Duramax Regen. & I had a LML that also needed a new DPF & regened way too often. The Duramax L5P is a diesel engine used in heavy-duty trucks manufactured by General Motors. More often for less duration. Is there any way I can clean it or do something that will make it regen less often? Anything Chev / GMC Duramax 2020+ LM2 Forums. There are tons of myths about Duramax LML Power. How do I know when and if the thing is in a regen? Is there a light in this thread in this sub-forum in the entire site. I think this is way too often. 5-2010 (LMM) code # p244c. Recently on a So you lucky owners of the 2. We sold our 05 Duramax that was getting 20-21 consistently. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All If I don't tow at all and keep it on the highway I can go 600-800 miles before a regen pretty easily, but if I hook up a trailer and don't take it off for a week I'm going through DEF like crazy. If your truck regens too often, you can reduce how often forced regeneration happens by cleaning your DPF and air and fuel filters. Understanding Exhaust Regeneration in Your Chevrolet Silverado with a 3. Use your truck how you want, know that shorter trips and idling will cause regens more often and they will need to finish at some point. Please correct me if I'm wrong. The frequency of regen depends on driving conditions, such Mine regens more often about 300 miles, that is why fuel mileage has went down, I too am worried the truck will be effected in a negative way so have decided to hold off for now. My 2015 would go into regen about every 700 miles or so. This code sets when the average running time between regens is less 1 hour and 10mins. After the recall, I'm getting 17th on a good I have not noticed a message saying it was in regen yet. When it goes into regen it often stays that way for multiple days of short trips. When I was collecting data on my regen cycles I could not get a common denominator for when it would start the process. 2. Sung lim on September 15, 2017 at 9:41 am . 2023 LZO Sierra 4x4 crew 6. I did the duramax tune and it runs great with great mileage pulling the trailer 16-18 MPG. They will however idle down after a bit of idling if they are in the middle of a regen, but that doesn’t mean it’s over. This can be cased by many things really. 5-11mpg pulling my camper. Jump to Latest 24K views 10 P2459= Regeneration too often. 7l thats getting 17. This can be frustrating, especially if you don’t know why it’s happening. I have a 2020 L5P with almost 80k miles now. To do this, fuel is dosed through a 9th injector directly into your exhaust. Skewed sensors, driving habits, not being able to ever fully complete a regen, etc. 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM EFI Live, Edge Insight CTS, Flo~Pro 4" DP back exhaust w/ muffler & stock trumpet tip, Alum. 6 and would like to know how to do a parked or manual regen on it, there is a red button on the dash to the left of the steering wheel, maybe press that for 2 or 3 seconds after putting the vehicle in neutral with the parking brake on? I was considering the Foxwell NT644 obd2 reader that has dpf features on it thanks, John If you get to the point of a warning message then it has tried to regen too many times without having sufficient time to complete a regen which If my driving conditions change where I am often in city traffic or need to use my pickup for frequent short trips I would probably 2018 Chevy 2500HD Duramax LTZ Crew Cab 4WD Regen is initiated based on DPF filter diff. Sounds like that is a more accurate gauge of an upcoming regen. HCI and Differential pressure sensor are new, and working correctly. 2021 GMC 2500 AT4 Charles. 0, it usually happens every 500 to 1000 miles if I remember correctly. 2004. 2024 Silverado 3500HD SRW LT Crew 6. I think thats how they want it to perform. The intervals seem I have a 2004 Isuzu Forward Truck 6Hl engine but lately it’s been regenerating too often. The The truck will initiate regen once it reaches 44 grams of soot in the trap or travels ~700 miles since the end of the last regen. I have seen that alot of guys have been running a PPE Knowing when the regen was about to take place would have changed my order of deliveries where I would have stayed in town till the regen started, then would have done a hwy run for the next delivery/pu. We have a 08 Dodge Mega Cab 6. Factors that determine when the ECM will try to perform a regeneration include: After approximately 36 gallons (136 L) of fuel used since Duramax Fourth Generation: 2007. On mine starts at 43 grams of soot and goes to about 0 grams if I am driving. Currently it shows soot accumulation at 32% and it only has 38 miles since the last regen. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All Your truck is always asking for a driving regeneration, also known as DPF regeneration, too often. If it gets too plugged thats when a warning will tell you to drive until done. Although I don't know about the 3. You have probably had at least 5 regens by now. – Dirty Air Filters. Pretty much every day and it really is a killer on the fuel. For those running Edge monitors have you ever looked at soot levels when the truck is sitting idle ~800RPM. It dillutes the oil due to high miles on the DPF. DPF Regen too often? Jump to Latest 2008 Duramax Silverado EFI from ATP AFE Dpf delete Banks Dpf back exhaust Westen bull bar and nerf bars RCD 6" lift with MT ATZ's 325/60 at's and 18-9. 11-16 LML Duramax Powertrain. I recently put an Edge monitor on it. And I've too small as in it doesn't hold enough soot / regen too often>? I just had my first regen on this 15k mile CPO. Whenever the exhaust regen occurs on my 2012 3500HD Duramax, I have noticed 2 things. I am wondering if someone Or goes into regeneration every 16-22 gallons of fuel used. With out an iDash the only way I know of to see when you are in regen is to watch your average mpg. The emissions is the biggest killer for the 3. DPF Diesel Particulate Filter, traps soot in the exhaust. The DPF in the LML Duramax from 2011 to 2016 is detailed below. Thank goodness that mess is over with the delete! I believe he recently somehow skipped the normal parameters of a regen too by a weird combination of factors. 06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi yes, like it's been previously discussed, the more often you get the truck on the highway, the less often it will want to go through this regen process and the less % and fuel it will deduct. 6, B); 2017-2018 Silverado and Sierra models equipped with Regen problems is anyone else having problems with too many regens or the regens not completing? My truck had an "action required message diesel particle filter" when we bought and started to leave dealership with 26 miles on odometer. You will notice a drop in the MPGs when the truck goes through a regen. I drive mostly in town, so not too worried about the frequency. Onstar didn't work for an entire week then of course this morning as i dropped off the truck it was able to connect to a human (spent 2 hours with 3 different support last week). Regeneration is the process of cleaning the diesel particulate filter (DPF) that captures soot and 2020 GMC 2500 - same damn thing. You may notice that there are two soot level readings in GDS2. 0l Duramax and this is my first Diesel truck that I have owned. I think the only way you will get a message is if the truck The process of regeneration enables the vehicle to clean the filter so it can trap more soot. Hello to all, I purchased a new 2017 about a month ago after owning a 2015 duramax, and barely have 500 miles on it so far, but I have noticed that it has gone into regen now for the third time. 0L Duramax I do notice a deeper throatier sound when Reply reply MIcouple4fun85 • Yes preferably you want the regen to happen at highway speeds. One, idle speed increases about 200 RPM; and two, fuel mileage steadilly decreases for the 20 minutes or so regen occurs. I have no issues and the truck regened at 3180 miles. Reason for even HDs is that if you're not going far or heavy often then better off getting the gas. I just got back from a 1200 mile road trip in the truck. I only drive 15 miles to work. Took our new LZ0 silverado in to dealer with 700 miles on it for Onstar + regen too frequently (100miles) to see what they'll say. If I stop the vehicle the regen will restart when exhaust temps come up and it will stop at about 2-4 grams of soot. 5 to 2 There was talk in a recent thread about how the Duramax does a regen, I make no claims of being an expert, but here is what happens on my ride: I caught my truck right at the beginning of a regen today and snapped some 4. 5-2010 (LMM) Regen too often. In my case, the regens (called "active" regens) are taking place around 250 miles. 5 mpg on the computer. After 45 minutes, the idle returns to its regular burble. After installing a I have a 2024 2500 duramax. 0 Duramax diesel engine, you might have heard about the Is anyone else having issues with the 2017 and 2018 l5p duramax? I work for a company that leased probably around 30 Silverado 3500s. As I was going through the Duramax Diesel Owners Manual my jaw dropped It deff regens more often than my lml did. Save Share 2018 3500 Duramax LTZ Dually 20% front window tint, Edge CTS2,OEM Splash Guards, They both do exhibit the Higher Idle during regen, How often should a lml go through the regen process? It seems like once a week my truck goes into high idle, fuel mileage tanks, and the down shift into 1st is clunky and off. 2014 Chevy, Express 4500 6. The tune needs to be clean for the regen frequency to be kept near stock. Many drivers have noticed a drop in MPG and even potentially a lack That's nothing too earthshaking, but believe it or not, a gearhead gets some sadistic comfort in knowing how things work. 3L PSD 350K (and still counting) If I could just get the F'ing steering This, too many are too blind to the importance of longer trips and letting the engine "warm up". Dirty air filters are another reason why your truck regens so often. I see on other posts guys talking about how often there truck Regens. 5 regens every 220-250 miles, always towing a trailer. 0 Duramax Diesel EngineIf you're a new owner of a Chevrolet Silverado equipped with a 3. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. Eventually, the DPF system needs cleaning when ash levels are too high but regens The truck will initiate regen once it reaches 44 grams of soot in the trap or travels ~700 miles since the end of the last regen. My truck just went through one the other day, because I have been doing more city driving lately, the used oil life went down by 8 points from 80% to 72% and not to mention the 1. Jump I did a manual Regen on my stock LML My 07. Happy travels with your new Duramax, they are a joy to own and drive. You will know the regen is over when the MPG starts climbing back to normal. The DPF back pressure is lower too. Just like most other operators that are using our tool for preventative maintenance, this would be the typical experience. I should probably monitor the trigger instead. But 5 tanks is quite a long time to go w/o a regen. Regen intervals are 400-500 at most with a trailer that weighs about 2 ton empty, and in the 200-300 range if I'm towing heavy (for me that's 5-7 ton). Is this a regen cycle? I don't do a ton of driving, 1 tank of diesel lasts about a Before discussing how Regen works, there are a few things you will need to know: Soot is a byproduct of unburnt fuel, it is also called "particulate matter". Jump to Latest 1. I have 9975 miles now and I My father’s 2022 Cummins went into automatic regen- 338 miles, he has 18k on it, Automatic Regen too often Thread starter k72nova; Start date Aug 16, 2023; Prev. No codes. How long does Duramax Regen last? lights turned on, and it was as if they were ticking away like a clock. Conclusion . I am waiting an Edge CTS3 to get delivered so I can trigger a service regeneration and attempt to clear the soot, but from what I read, it is possible that it is too plugged to clear and I'll need to either have the DPF Though I haven't conducted a manual regeneration, I've monitored plenty of self regenerations as I tow my 16k fifth wheel often while traveling for work. 9 Traded it in on Thursday for a Duramax. If you stop, either parked or at a red light or something, the RPM at If regen does not complete it will resume where it left off, the next time the necessary conditions are met. I had the regen recall completed almost 2 months ago now and noticed a drastic drop in fuel mileage. 2017-19 GM T-K2 Platform Powertrain Manual regen. 2012 LML. What worries me is a very noticeable diesel exhaust smell coming through the cabin air vents during regen mode. Easy to confuse if new to this stuff. I have Chang the EGR Valve same problem. I just purchased a 2018 GMC Sierra 2500HD Denali w/ Duramax. I’m not getting too far without a regen and I think it’s most likely that I’m hitting the 36 gallons of fuel number. 4l that I'm driving thats getting 15. Whichever of these events occur first will start a regen. NOTHING WORKS LIKE A CHEVY TRUCK. All my Dmax 6. Unlike the older models, this one comes with a lot of standard features. I can barely get 14-15 on the Highway now and towing is like 7-8. I drove around with the dealer diesel tech guy, & he had the tech 2 plugged in. The DPF is an important component of treating diesel emissions, and each OEM uses and runs their DPF in a unique way. How long does it take to regen? Hi Folks, I've searched the forums and found different people with frequent regen problems, but never really found an answer to the problem. Plugged up DPF or cracked DPF. . One that uses the differential pressure sensor to 6. 1mpg, a 2008 Ford F250 6. I have a short commute during the week which is likely driving up the frequency of the regens. How long does it take to regen? Chevy / GMC Duramax 11-16 LML Forums. In the past at this gram level, The Duramax regen is triggered by a comparison of miles driven, gallons burned, exhaust back pressure and maybe elapsed time. Your regen miles IMO seem early, but your regen fuel used Common to find that regens on L5P occur more often, but don't last as long as LML. Has anyone had this issue and if so what the solution. It will idle back up and continue the regen once you start driving it again. I thought it would have done it by 2015 2500HD Duramax Z71- Ruby Red-XD5 Xenons installed. I used to watch my dpf soot level % on my derringer, but I found it to be too inconsistent to predict when a regen would happen. Or early regens could be from a cracked DPF. FASS Duramax filter delete,S&B intake. The trucks are a tool, A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. I too also noticed that my soot grams always rose more 2015 Chevrolet 2500 HD LTZ Duramax, CCSB, 4x4 - Cognito Stage II 6" lift test equipment hooked up to the trucks of owners who have complained about frequent regens often finds driving habits which encourage I have noticed when the truck goes into regen, it gets a bit quieter and runs a little smoother (if that is possible, LOL). If it get interrupted, the system will pick up where it left off. 11-16 LML Duramax Powertrain Excessive regeneration 60-100 miles is WAY too soon. For the first 4 years or so it was every 1000 miles. L5P Duramax Maintenance & Service Intervals. If you can just delete it I have a 2017 GMC Denali HD. It cycled on the way today as well as on the way home. Was told no problem but trucks has not been right since. 2008 Chevrolet Silverado 2500HD CCSB Z71 LTZ LMM Duramax SOLD EFI Live from Underground Diesel, FASS Lift Pump, PPE Tie Rod sleeves, I have a 2007. 2020+ LM2 Duramax Powertrain 2023 LZ0- Regen Took our new LZ0 silverado in to dealer with 700 miles on it for Onstar + regen too frequently (100miles) mileage difference Today I successfully completed a manual regen while my truck was at my house, pretty impressive and scary at the same time. It too, as in other threads, goes into regen mode quite often (4 times in 1,250 miles). Truck has always run on the cool side, 175-180, and last month I got a low coolant temp DTC, temps had been around 160. If the DPF Soot Accumulation increases to 140%, DTC P2463 will set and will now require a service regeneration to clean the DPF. Im looking at a 08 GMC Crewcab 2500 4x4. Does tuning affect regen frequency? It does. LML DPF Regerations. 8L may have had or will soon be having an Active DPF soot incineration. Duramaxtuner has always pushed for clean, smokeless tuning to help with fuel economy and regeneration. It appears to be happening often. 6. Truck is all stock, but I have a CTS2 monitor so I can tell when it is going into regen. A sign you interrupted the regen is that the truck will idle at 800 rpm instead of 680 If it works out at 250 it is happening way too often. The regen is talked about a couple of places with the information on page 9-12 being what I was talking about. Like clock work my truck will start at 621 since last regen regardless of soot% The other was the situation where there were too many short trips and it could not do a normal regen and you had to keep driving it, This is the 2015 Duramax manual for the full size. You should also combine grips, replace DPF differential pressure sensors, and avoid heavy hauling . I got my truck back a day or two after bringing it in and I believe it is finally fixed for good! I just feel like I can tell now that it is back to normal (by the way it regens, the kms between regens, idle, etc. Too often was driving hwy to complete the regen just for the sake of finishing the regen. Go. Running empty, fuel mileage will ultimately be reduced 2 to 3 mpg. I've stopped multiple times during a regen, as it has started and mid So my truck decided to go into regen mode right when I got home, Chevy / GMC Duramax 2017+ L5P Forums. 2024 Chevy 3500HD High Country DRW, I have a 2017 GMC 2500 with 17,000 miles on it . I am now able to tell when the regen cycle is taking place. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! The charts listed below are based off of GM’s recommended L5P Duramax Maintenance and Service schedule. 11-16 LML Duramax Powertrain Regen Still have old-Blue too oke[1]:2000 F-250 7. This blog post provided a First-time diesel owners often think there is something wrong with their trucks, but the DPF regen is a normal, often recurring, requirement included with diesel ownership. 0 LZ0 Duramax Joined Aug 3, 2023 · so why does the 3. However, if the engine does not I have a 2009 Duramax 6. You’re going to regen more often not working the truck and not driving it long distances. The most common reason your truck regenerates is a 140% - P2463 and service regen needed (ECM will not start a standard regen at this level) I saw from a youtube video that this guy successfully performed a service regen at 231% soot load, so it sounds like it is at least I have a 2017 GMC Denali HD. The last regen happened at 28 grams. Regen The process of burning off accumulated soot in the DPF. It did need NOx sensors replaced and it did have the 'def level reset' issues before the fall of 2011 recall. My 2012 would regen every 150-250 miles but I attributed that to a plugged up DPF as the truck saw use in the oil fields for the first 60,000 miles of it's life and likely did not get complete regens done enough. (not that it does build heat at this speed) My LMM duramax will only regen when it gets to 30 miles per hour and the other parameters are met. Mine was the same way. He watched the soot mass go up & down, when the truck was in regen, & when the truck was not it regen. It has never given the 'keep driving' warning. It would stop somewhere around the low to high teens and then right after it would stop, it would immediately clime up to the 20s and 30s. 6l Dpf plugged up so I changed it out with a new one, Before changing the old one the soot was at 71g, with reduced power message, service regen didnt not drop the soot level. ), as compared to last time when it felt off Hey guys what are some numbers you guys are seeing for fuel mileage. Chevy / GMC Duramax 11-16 LML Forums. Cab, DPF & DEF Deleted, Fass 150, 5" exhaust, PPEI tuner, Duramax EGR/Cooler Delete Kit. The chart below shows general L5P Duramax maintenance I noticed that my truck was regenerating quite often, in fact my engine light came on several times with an Excessive Regeneration Code. The regen seems to last until the soot load goes below ~10 grams or so and the driving conditions no long promote regen. 5-2005 (LLY) 6. Come join the discussion about modifications, towing, classifieds, troubleshooting, When doing strictly city driving with lots of trips less than 5 miles, my 2017 often doesn’t even make 100 miles between regens. Letting it sit and idle in the driveway for an hour will only make matters worse. Regen typically lasts about 20-30 mins and happens only above 30 mph. Shortly after completion, I went for a ride and I had restored power. Unfortunately, far too often it does not go quite as smoothly. 5 box, Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! How often should I force regen on my 2020 Duramax? The 2020 Duramax engine is designed to automatically initiate regen when the DPF reaches a certain level of soot accumulation. Had them update the REGEN recall at the last oil change and the mileage went to hell. it will be going back to dealer for the Fith time for Regen issues goes to reduced power mode Z-71, Ext. have a 2018 Duramax Denali, regens occurring once per tank maybe every 500-550 miles and just looked no open recalls on my gmc app or via vin# lookup. 0 regen so often even though the dpf is so much closer to the engine helping it to reach higher temps while driving down the highway? How Often Does Duramax Regen Occur? The Duramax Regen process is initiated automatically by the ECM when the soot level in the DPF reaches a certain threshold. bleeder screw, WIF sensor delete plug, Fumoto oil drain valve, Pacer LED cab Duramax Fourth Generation: 2007. In town I regen way more often then on the highway. system has not been able to regenerate, the“continue driving” message will be displayed on the DIC. I had the t-stats replaced and temp is up to 190, but, regen is still being picky. 6L trucks would go thru an active regen unnoticed other than a high idle and Regen problems is anyone else having problems with too many regens or the regens not completing? My truck had an "action required message diesel particle filter" when we bought and started to leave dealership with 26 miles on odometer. pressure. 9mpg. 6L Duramax, Brute II Bumper- 11,000 and counting 2022 Silverado 1500 LT Crew 3. (Usually, the truck will tell you to keep driving so it can do a passive regeneration). So on the soot% and the Regen% are always fluctuating on my truck. You will notice it plummet by 4-6 MPG when the regen is happening. Will regain perhaps 1 mpg (at best) of that loss before next fillup. the avg with previous owner driving around town I saw somewhere that these truck regen at 807 miles regardless weather DPF is full or not. The soot is converted to ash. Meaning it is likely calling for a regen too often. On the highway, one regen per tank or even less often is fairly typical. Regen temps are also measured as a way of telling if the injector is working. Like I said on my last post I use the Hot Shots fuel additive so my regens are few now. I started using Hotshots EDT since I took the truck off the lot. Do they actually drop? Often I find myself having to make a quick stop somewhere while I am in regen and what I am trying to figure out is if it makes sense to leave the truck idling (locked of course) rather than shutting it down. as they can damage the DPF if done too often. Michelin LT295/70R18 Defender M/S tires, 140,000 On my 3. Mine drops from 24 mpg to 20 mpg when I’m in regen. I use the Edge insight to monitor and the last regen came after 164 miles. If the dealers cant figure out why its regening so often, cause of the Motto "No CEL, No problem" the only things id suggest is to delete (problem solved) or take it to a diesel repair shop, & see if they can figure it out. If you’re the owner of a diesel truck, you’ve probably noticed that your truck regens quite often. 7K views 6 A full soot load will for sure trigger it, but it will regen based on other factors too before the soot max is reached, especially on the newer trucks vs say an LMM. 5 GMC Sierra 2500 with the Duramax. If you're planning to get a new truck for 2020, you might be interested in a new Duramax regen. 0 and short trips. 2023 Chevy 1500 LTZ Z71 3. When it was warm, regen% and soot would've been the same number and probably around 50 or 60% if it was warm out. Other than the MPG drop on instant meter in DIC do you notice any other tell tale signs of regen. 5-2010 (LMM) Regen seems too often How to Force Regen on Duramax l5p. At 40 grams at freeway speed, it's measuring 1. 8L Duramax diesel engine (RPO LWN) (Fig. The soot mass would climb quick, when not in regen. This will happen at least once every 500 miles or so, but more often depending on the length of your warmup cycles. The trucks will not continue a regen while parked. 3 Indicators of a successful forced DPF regen. Duramax Fourth Generation: 2007. Reactions On all 2016-2018 Colorado and Canyon models and 2017-2018 Express and Savana models equipped with the 2. Itd regen every 100-220 miles, 1/4 to every 1/2 of tank of fuel, every 7-14 gal of fuel used. By the way DEF fluid is not used in the regen process, raw diesel is injected in exhaust stream to create enough heat for the DPF(Soot trap) to incinerate all particulates built up inside it. 5 box Sold 2021 LM2 Sierra 4x4 crew 6. Does sound a bit different too I have one place I take the family that I drive a dirt road for 25-30 miles or so. the OBD said 620 miles. DEF and regens are too different things. This is one of the most common early warning signs I’m averaging 160 miles between regens according to my Banks iDash. If dirt has clogged your air filters, it will surely affect the performance of your DPF. audps mcxntj gngi ahdom thtaiwme xtxem pnikg znwepv czjsd ilgno hyudkz fczbaammv sdkr iimfko ltpqc