If it sits very long periods in extreme heat, or crystallizes in extreme cold, it will lose some of its water content, he adds. The heat and undue stress can weaken components and shorten their lifespan, resulting in increased trips to a service center, more parts purchasing, and unnecessary downtime. New comments cannot be posted and votes cannot be cast. Dash says soot level high. Each company we work with has specific experience requirements for their drivers. Soot Level High. High soot levels can cause performance issues and put your engine at risk of damage or failure. Daniel Mustafa, Assistant Manager of Technical Development for TravelCenters of America, says he still sees otherwise upstanding, wonderful people doing the kinds of things with their trucks that can turn a less-than-$1,000 major nuisance repair into a soul-crushing $11,000 one. This can be as simple as a warning light on the dashboard or more sophisticated systems that can track emissions levels and alert you when they're too high. May also be used to cancel a This process requires the operator or technician to Subscribe for updates! Reduce administrative overhead with automated bookkeeping that syncs with accounting programs. If you havent had issues, I implore you to get your own filter back.. Five years ago, he made the leap from healthcare to truck repair. The built-up soot is then removed as gaseous carbon dioxide.Regeneration may happen one of three ways: passive, active, or forced. A leaking injector allowing excessive fueling to the doser ahead of the DOC All will make that filter fail very fast. Ask questions or send a hint for future articles on the author's page. Any night it idles, the next day it needs a parked regen. It is also worth noting that DPF filters approximate in service life is about 400k miles, after which it must be removed and cleaned or baked at high temperatures at companies that specialize on these types of repairs. CDL Grad, No Experience To learn more about how we use cookies, please see our, How to Attract Diesel Technicians to Your Shop, Diesel Particulate Filter (DPF) Regen and Repair, 6 Critical Reasons You Should Have Shop Repair Software. Diesel Technician. Trucks that drive local routes and rarely maintain typical highway speeds for extended periods rarely meet the conditions for a passive regeneration. A Plus Truck Repair Roadside services for Commercial Vehicle Sacramento. DPF soot levels have stored values in the engine control module and aftertreatment control module (ECM/ACM). If the soot level is too high, the vehicle should be stopped. Burning the soot out of the filter is called regeneration. Get complete visibility on all aspects of your shop. Scan this QR code to download the app now. Engine maintenance is a higher priority than ever I hate hate hate waiting for a regen to finish. A diesel particulate filter (DPF) is a component within a heavy-duty trucks aftertreatment system. 300+ The baking/thermal cleaning process lasts for 6-8 hours. If they become clogged or defective, they may not deliver enough fuel leading to incomplete combustion and more carbon build-up in the form of soot. 2016 Peterbilt 579 Mechanic's Assistant: Are you fixing this yourself? Time Since Regen Time since last is activated by the engine ECU. Regenerations are necessary to prevent particulate matter from quickly accumulating and rendering the DPF ineffective. The OTR Reset Tool is specific to which model and engine you have. 1 Year A DPF is basically a filter that captures soot particles from the exhaust gases of diesel engines. Shop Owner Roundtable: Featuring IE Fleet Maintenance and OnSite Truck and Equipment Repair. 70 grams -160% Soot Loading 1)P2463 Diagnostic Trouble Code (DTC) sets, 2)Reduced Engine Power, 3)Service Regeneration required 87 grams -200%Soot Loading DPF? Find out why the problem has occurred. When soot levels are high, it indicates that the PDF is not working properly and needs to be serviced. Passive regeneration happens frequently in long-haul trucking because it requires continuous driving where the DPF can hit a temperature above 1,000 degrees Fahrenheit to create the heat levels that turn soot into ash. After a little more than 33,000 miles, nearly half the material trapped in a DPF is ash, he says. Engines MCM will try its best to get rid of harmful soot by regenerating DPM by its own algorithm, but if it does not succeed one of four (4) scenarios will take place with DPF along with corresponding indicator lamp on a dash being lit: 1. You need to monitor a few parameters to assess whether or not it is necessary to run a forced DPF regen. 5.12.2022 . If the soot level is low, can I still perform a forcedDPFregen withOTR Diagnostics or the OTR ResetTool? Like most filters, a DPF has a finite lifespan and requires cleaning to remain effective and, eventually, replacing. DPF condition: Filter has exceeded maximum capacity. the engine returns to normal operation. Provide consistent, dependable repairs and maintenance that emergency vehicles can rely on. There are plenty of instances where the DPF or other component of an aftertreatment system is triggering an active fault but a forced regen is not the answer. These filters grab soot from your exhaust before it blows out into the environment. Regular maintenance is essential for the proper functioning of any DPF, as it can prevent costly repairs and ensure that the vehicle is running efficiently. With regular maintenance and proper diagnosis, you should be able to ensure that your DPF is working properly and reduce the amount of soot produced by your engine. Its a wall-flow filter usually made of cordierite, silicon carbide, or a ceramic monolith. High air pressure is used to agitate the particles and remove them from the filter. 6 years of development. It is. 2. Passive regen v. active regen Assist regeneration uses the throttle valve If a Mustafas DPF warning-light breakdown **1. Low Soot Load level, the DPF indicator lamp will illuminate, indicating that DPF Regen is required. cycles from running automatically. As a side note, newer engines allow for different methods of regeneration, even while parked or in neutral. . Lose as little as 1 percent of that content by some estimates, and youre likely to get active fault codes for low-quality DEF, Mustafa says. Today Fullbay is the number one fleet repair platform in North America. 2 Years Unlike with traditional approaches to oil changes and other service intervals with hardfast intervals depending on the application and piece of equipment its pretty hard to get a miles-to-clean maintenance interval for a DPF out of a service rep. Why? reported by engine. NEXAS NL102 Plus Full Systems Heavy Duty Truck Scan Tool DPF Regeneration Tool HDOBD/ EOBD/ OBD Diagnostic Scanner with Oil Reset . The DPF soot load could be too high for a passive or active regen to occur, meaning you'll need to perform a forced DPF regen. What occurs to compromise a DPF can be any engine oil, coolant getting into the exhaust stream, Mustafa emphasizes. Check out our other blog posts. In simple terms this is a canister where the process of burning of soot particles, so called DPM (Diesel Particulate Matter) takes plase. If you utilize a reman unit, youre inheriting their issues once you put that filter in. The stop engine light (red) [Ominously] engine damage is probable, Mustafa quotes the Cummins manual, he says.Mustafa was speaking at the Expedite Expo Friday, July 14. Terms | This fuel reacts with a catalyst and burns the built up soot out of the DPF. Perhaps the most significant indicator of the necessity of a forced regen is JPROs regen zone information. 1-5 Months So, what is Mobile truck repair technician will come and hook up his Diagnostic Equipment and initiate the process of regeneration. Are these trucks not capable of regening while driving? The DEF system is an after treatment after the exhaust comes out of the DPF. Watch future Proper maintenance will ensure that your vehicle runs efficiently and produces fewer emissions. In other words, build a medical record for trucks. I'm wondering if you drove the truck thru the new dpf regen cycle if the ECM would do the reset automatically? Furthermore, higher concentrations of soot may cause your vehicle to fail emissions tests, which could result in fines and other legal penalties. These components can present a variety of issues with different solutions for each, so further research is needed to determine if the forced regen is the answer. Often, a forced regeneration is a necessary action to either correct the issue at hand or get the vehicle out of limp mode long enough to get it to a service center. and our It's that powerful and it happens fast. In todays blog post we are going to be answering the top questions we receive regarding the DPF regen. A DPF is basically a filter that captures soot particles from the exhaust gases of diesel engines. not 0% to 100% as you may expect. successful Reset, Parked or Recovery regen cycle. Active regeneration happens when changes in engine operation are required to get the Engine Control Module (ECM) to burn out and/or some catalyst is introduced. (DOC), which can potentially cause operational problems and may jeopardize Regeneration, generally, is the process by which increased exhaust gas temperatures turn soot clogging portions of the DPF into less-clogging ash.**2. Primarily, Mustafa says, the biggest fault I see as far as DEF fluid is parking the truck for a long period of time and coming back and operating it. DEF is 32.5 percent automotive urea and 67.5 percent water. Passive regen occurs naturally under between 50-60 percent [and above] engine load, Mustafa says, when exhaust gas temps can rise to 570 degrees and above. You guessed it: the diesel particulate filter is one more thing that must be tracked and maintained on a heavy-duty truck. DPF condition: Filter is now reaching maximum capacity. It is kinda lengthy process, but in most cases the whole process should not take more than an hour. Youll need a diagnostic tool for this. On my 2015 6.7l, 37,000 miles, using FORScan Lite with gauges setup in Dash Board, the DPF Soot gauge units is grams/liter. The machine machine downtime may result. A maintenance checklist can help ensure you hit everything necessary during an inspection. JPROs Aftertreatment Diagnostics feature presents users with the values, data, visuals, and features needed to diagnose and begin repairing aftertreatment issues. Repairing required not just baking/blowing the ash out of the particulate filter but replacing the diesel oxidation catalyst (DOC), just upstream of the particulate filter in the exhaust system, the DPF itself and a turbo, given excessive exhaust backpressure had damaged it. Youll also need to clean the filter if a fuel injector or turbo problem causes contamination with engine oil or non-combusted diesel. Theres all kinds of ways to learn how to use Fullbay! Although, PACCAR motors were notorious for emissions problems years ago, so it depends on how old the truck is. What is face plugging? The InfoCenter will prompt the When the soot level is too high for a passive or active regen to occur When maintenance items are replaced on the aftertreatment system in order for you to reset certain fault code To keep your DPF filters clean, which can save you fuel mileage and prevent breakdowns When you need it. Soot Load DPF soot load in percent Under active regeneration, triggered by a series of steps taken by the operator while the vehicle is stationary, the fuel doser ahead of the DOC in the system is engaged to bring temps up to 1,100-1,200 degrees to burn off soot. That's how DPF Remedy solves DPF problems starting with the first tank of treated fuel. The DPF Load gauge is 0 to 100 %. A DPF system relies on many sensors working correctly. Note: An advisory will be If the engine is not running correctly, or if there are any mechanical issues like worn parts or poor compression, this can lead to more soot being produced as well. Join the team and help us continue our mission to better life for shops and contribute to safer roads for us all. In order for this to go away it will need to be reset with a pc or capable scan tool. 2. Lower-temperature passive regeneration, obviously, notes Mustafa, is way better for the [long-term health of the] system than active regen, also better for mpg given no fuel wasted in a parked process. 3. Required action: To avoid engine derate being vehicle to highway speeds to allow for an Automatic Regeneration or perform Parked Regeneration as soon as possible. Rather than naturally occurring when the DPF reaches the high temperature on its own, the engine undergoes a process to increase exhaust heat and create a chemical reaction that generates the temperatures needed to oxidize particulate matter. left in the OFF state. Do Not Sell or Share My Personal Information, 2020 miles till empty went crazy after fill up. Upon opening the feature, users view a checklist of items to inspect visually. Inhibit Regen defaults to OFF when the machine is turned on. soot in the soot filter. Mustafa's DPF warning-light breakdown **1. In conclusion, it is in the very best truck operators interest to monitor the condition of DPF system and not let it get extremely plugged up with soot and DPM. 3. 2023 Randall-Reilly, LLC. By following this list, technicians can often correct the problem without the need to force a regen. Haven't been in a kw very long. higher than 15 ppm sulfur content can degrade the diesel oxidation catalyst At Soot Load 100%: Parked regeneration Options in this menu include: Current State Current engine regen Passive Regeneration Passive regeneration happens automatically. Due to the increased viscosity of oil caused by the soot, there is an increased risk of engine damage or failure. Making sure the truck is on a regular preventive maintenance program will help ensure the long life of the DPF, as will regularly replacing air filters and fuel filters. Check to make sure the right line was on the correct port? I've been slowly watching the soot level build up to the point that it is now reading 66% (only 25 hours on the tractor). By doing the forced DPF regen you are lowering the soot level and keeping your system running at peak performance. A reman filter is only as good as how well the person prior to you serviced their vehicle, Mustafa says. Mobile truck Repair Unit, such as A Plus Truck Repair is on standby 24 hour a day 7 days a week, so we handle all road related breakdowns. the most important thing that can be done, as weve reported before, Dealing with diesel aftertreatment demons, Dealing with DEF quality: Certification program turns 10, amid continued assurance work, Career gambler Dean DeSantis and the aptly-named 2018 Peterbilt 389 with 124-inch ARI sleeper, Sunsetting a classic any truth to the rumors? Recently changed differential pressure sensor, and did not take care of issue. If you do a swap with a reman cleaned DPF from another operation, you may be inheriting the issues created by the previous owner (see previous item). FORScan and others do not seem to give "accurate" readings in relation to what Ford has programmed the ECU/PCM. To run or to not run a forced DPF regen. When it comes on, the system needs to be regenerated, whether actively or passively. DPF condition: Filter is reaching capacity. Using an application like JPROs embedded troubleshooting tool, NextStep Fault Guidance, technicians better understand what is causing the problem to decide how to fix it. Recovery regen cycle when the cycle is running. What is a DPF (Diesel Particulate Filter) regeneration (regen) process and how to avoid costly road service call for that matter? When the aftertreatment system in your heavy-duty fleet is working effectively, a regeneration of the DPF will occur while the truck is in transit. These include, but are not limited to, a clogged DPF filter, EGR fault codes, your VGT turbo operation. Turf management news, events, and solutions. In these cases, it is important to adjust the driving style in order to ensure that the engine is running at optimal performance. The most common way is to use a diagnostic tool that can measure particulate matter (PM) levels in the exhaust. This permits an operator to prevent Reset regeneration is requested by the engine ECU. In T4F engines, the diesel particulate filter (DPF) traps soot from engine exhaust gases and must be periodically cleaned through regeneration to maintain emissions reduction performance and fuel efficiency. Provide the fast, reliable service that customers wantwith more profit and less headache. If you're experiencing any problems with your DPF or high soot levels, make sure you get it checked out by a professional as soon as possible. may be operated as normal during this cycle. Click here to join the waitlist! Once the exhaust temperature reaches a certain pointwe like to use the example of driving at high speedsthe built-up matter in the DPF turns to ash. Marketing Goes Heavy-Duty: Introducing Nick Adams & Dieselmatic. If active regen requirements arent met or soot levels rise to a certain point, you may need to perform a forced regeneration. Soot level high regenerate dpf to prevent derate. High soot levels can be identified through a variety of methods. If the DPF soot level is too high, the engine computer program will not allow the system to regenerate. * An UNNECESSARY REGEN indicates the vehicle was in a regen zone (0/1) where a forced regen is not recommended, ** A NECESSARY REGEN indicates the vehicle was in a regen zone (2-5) where a forced regen is recommended. Soot level high regenerate dpf to prevent derate. Helps fleet managers maximize efficiency and extend asset lifespan. Often shortened to regen, a DPF regeneration is the act of the system burning off collected particulate matter and turning it into ash. Enter Overdrive's 2023 Small Fleet Championship, FMCSA punts on ELDs' safety effectiveness in Congressional report, Senate votes to overturn stringent EPA regs, Closer look at owner-operator Deron Salmon's new Truck'N broker review, nav and accounting app, Do Not Sell or Share My Personal Information. Excessive soot production could prevent a rolling regen from working which can be caused by poor fuel flow like from clogged filters. control state information only. The engine controller reports the DPF soot load as a value from 0% to 250% not 0% to 100% as you may expect. JPRO Software & Kits Watch for temperatures to raise (please note that during high soot load levels the DOC and DPF temperatures will be lower than normally expected to prevent cracking of the filter). Fire Truck and Ambulance Repair Shop Software. Untilnext time! 2023 The Toro Company. is the process of incinerating the soot that has collected in the soot filter. regeneration to help with this process. The filters purpose is to trap particulate matter that a diesel engine outputs to meet the standards set by the United States Environmental Protection Agency (EPA). Often shortened to "regen," a DPF regeneration is the act of the system burning off collected particulate matter and turning it into ash. Jacob Findlay is the Co-Founder & Executive Chairman of Fullbay. Dont let a servicing technician throw a filter at it. a Recovery regen cycle when requested by the engine. DPF Soot Load is at an elevated level (7+), perform 1 additional OBFCT. If your truck can do an effective regen prior to ash cleaning, you will not need the baking process that many service technicians offer, Mustafa notes. Digital marketing solutions built for heavy-duty truck repair shops. However, the powder-like ash material comes from the additives found in engine oil and continues to build up despite repeated regenerations. If your truck can successfully go through a regen, you only need the pneumatic cleaning. If not, bake as well as blow. If it becomes clogged, more soot will be produced as the exhaust is not being adequately cooled. Without your consent employers will not be able to contact with job offers, would you like to opt-in now? The engine controller reports the DPF soot load as a value from 0% to 250% not 0% to 100% as you may expect. A technician should not have to guess that a forced regen will correct an issue. sub-menu contains additional information, not only for technicians, but also In some instances, forced regeneration is the correct action to fix the problem. Required Action: Vehicle must be Parked and Regeneration must be performed engine will begin derate. This downtime wastes labor hours and occupies a service bay, affecting downtime on trucks awaiting repairs. It works by trapping the harmful particles as they pass through it and then breaking them down into harmless components during the regeneration process. The problem is that DPF is rather expensive, and replacing it can be a costly endeavor. Fault 1922 included troubleshooting steps that alerted users another fault on the vehicle would likely be fixed with a forced regen, leading to a high occurrence of necessary regens. DPFs can be cleaned in a variety of ways, depending on the type of filter and the severity of contamination. That's why it's important to perform regular maintenance and inspections on your DPF in order to catch any problems early. Regenerations are essential functions for trucks and the environment. Using an average diesel price of 2.42, that equates to $2,700-$4,043 in wasted fuel costs. For a better experience, please enable JavaScript in your browser before proceeding. He recommends working in conjunction with a service facility to gauge where youre at on the need to clean, a matter of gauging the level of [exhaust flow] restriction in the DPF. At 130,00 miles, he suggests, flow test the filter. JavaScript is disabled. Less soot = Less need for DPF regeneration. A regen is only allowed when Fullbay is made possible by an incredible group of people, staring with our leaders. 118 Satisfied Customers. Important By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. The following InfoCenter icons are designed to provide quick, When necessary, a filter can be replaced or serviced in order to maintain optimal performance. Streamline your heavy-duty mobile operationeven when the team is miles apart. After discovering the root cause, detailed repair manuals help guide the technician down the most efficient path to repair the problem. I'm guessing miles are in the 3-400k? 4. Its just there to let you know whats happening with your This kind of regeneration occurs mainly in long-haul trucking since it requires continuous driving for the DPF to reach a temperature above 1,000 degrees Fahrenheit. 5+ Years, Please select ALL of your current, valid drivers licenses. His dont drive through the lights message I imagine is well-heeded by the owners in this audience, and any owner with a working knowledge of their equipment, of course, but other maintenance considerations might be less apparent given the occasionally persnickety and relatively new nature of these systems. Passive (self) regeneration occurs naturally . Why can't I regen before my trip "conditions not met". Our recommendations on how often you should run a forced DPF regen. Not sure what you could do with a snap on scanner. If a technician just tries to throw a filter at it and youve seen those other conditions, youre just feeding the problem. In some cases, the DPF may need to be disassembled and cleaned manually. Noregons database of repair information, NextStep Repair, is maintained by ASE-certified master technicians to help technicians of all skill levels follow the correct step-by-step repair procedures. OE Software information. When it comes to the aftertreatment systems on trucks with engines of 2007 and later emissions specs, price tags for poorly maintained units mount quickly given failure-related issues that happen down the line.
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