It is important to keep all of these potential causes in mind when diagnosing and servicing your vehicle. CJ-4 A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. This type of device will be able to tell you if there are any issues with the DPF, including high soot levels. Nich1019. Anybody have the factory dpf gauge and run an aftermarket gauge too? OTR Diagnostics allows you to read and reset fault codes, view live data, and run advanced diagnostic functions, including forced DPF regen with your mobile phone or tablet. 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). The engine can derate when a needed regen does not occur, potentially causing downtime by leaving the vehicle in a state that is either undriveable or in limp mode where it can only operate at slow speeds. The unit will only permit the operator to wait two hours maximum soot in the soot filter. To stop a parked regeneration, depress the brake or throttle pedal. At Level 4 the driver can no longer get the DPF regeneration going, since the ECM will put the trucks engine into Derate Mode and truck will not go any faster then 20 mph, just to allow a driver to get to repair shop. As another example, diesel trucks that frequently climb hills should have no problem passively regenerating their DPF. Consider the following cases for how JPRO Professional helps technicians avoid a forced regen when it is not the recommended action: JPRO displays enhanced OE-level fault descriptions to guide users toward the root cause of the problem. The OTR Reset Tool is specific to which model and engine you have. Diesel particulate filter regen is a relatively recent issue facing truck and fleet owners. The engine controller reports the DPF soot load as a value from 0% to 250% not 0% to 100% as you may expect. The DPF must be rebuilt to eliminate the soot in the engine. By continuing to browse or by clicking accept, you agree to the storing of cookies on your device to enhance your site experience and for analytical purposes. Archived post. Once the DPF is regenerated, the engine will automatically return to the normal idle speed. Additional OBFCT s may be required to reduce soot load and turn off the DPF lamp. takes about 30 minutes). Work on it with some of your peers, those with similar miles per gallon, driving style and application. Once the Recovery regeneration process completes, Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. Join the team and help us continue our mission to better life for shops and contribute to safer roads for us all. Yes, OTR Diagnosticsthe OTR ResetTool will allow you to start a forced DPF regen no matter what the soot level is. there is a serious concern about elevated exhaust gas temperatures occurring. Looking for the next step in your career? Time Since Regen Time since last The process is preset in the ECU and under normal driving conditions and dont have to be part of a operators responsibility. If active regen requirements arent met or soot levels rise to a certain point, you may need to perform a forced regeneration. 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. High air pressure is used to agitate the particles and remove them from the filter. Interesting problem. Technicians and fleet personnel must keep in mind they waste valuable time, money, and other resources when a forced regeneration occurs unnecessarily. . 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. machine is parked. Passive regen v. active regen A technician should not have to guess that a forced regen will correct an issue. A professional technician can inspect the filter and determine whether it needs to be cleaned, repaired, or replaced. It is kinda lengthy process, but in most cases the whole process should not take more than an hour. Youll need to clean the DPF every 150,000 to 300,000 miles to remove accumulated ash. At Soot Load 100%: Parked regeneration is requested by the engine ECU. 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. DPF Soot Load is at an elevated level (7+), perform 1 additional OBFCT. The machine After discovering the root cause, detailed repair manuals help guide the technician down the most efficient path to repair the problem. Although, PACCAR motors were notorious for emissions problems years ago, so it depends on how old the truck is. In order for you to receive the best possible offers, please make sure your answers above are accurate prior to submitting. We only included data when the associated fault was the only active fault code during the connection. Excessive soot production could prevent a rolling regen from working which can be caused by poor fuel flow like from clogged filters. JavaScript is disabled. Level 2: (Amber light with DPF sign is flashing) Filter regeneration Necessary. 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. Click here to join the waitlist! Depending on the severity of the contamination, this process can take several hours, so it's important to make sure you have the right tools and expertise before attempting it. A maintenance checklist can help ensure you hit everything necessary during an inspection. easy-to-understand information about the regeneration processes that are needed Grow your business with a premium website, pay-per-click management, and more. or taking place. The built-up soot is then removed as gaseous carbon dioxide.Regeneration may happen one of three ways: passive, active, or forced. Required Action: Vehicle must be Parked and Regeneration must be performed engine will begin derate. reducing harmful emissions in order to comply with EPA-mandated Tier 4 Call Us: (586) 799-4375. keeping your system running at peak performance. Passive (self) regeneration occurs naturally Is there a trick to regen a KW? Without your consent employers will not be able to contact with job offers, would you like to opt-in now? OE Software 5+ Years, Please select ALL of your current, valid drivers licenses. 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. I don't idle over night anymore because of this BS. The EGR valve is responsible for redirecting exhaust gasses into the combustion chamber and helps reduce emissions. Reduce administrative overhead with automated bookkeeping that syncs with accounting programs. regeneration to help with this process. 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. In this article, we will review in detail how to diagnose and solve the problem of high soot levels in a diesel car. If I shut off the truck prior to regen and the DPF was at 1005, when i started up the truck again, the DPF would read blank until it regened enough to get the % at 100% or below. See the improvements real shops experienced when they switched to Fullbay. Furthermore, higher concentrations of soot may cause your vehicle to fail emissions tests, which could result in fines and other legal penalties. And I'm assuming you checked/changed the sensor that determines the soot mass? Soot level high regenerate dpf to prevent derate. however, no action is required by the operator, and the machine may be operated required by the operator unless prompted by the advisories on the screen. To run or to not run a forced DPF regen. 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. If your car has a DPF issue and is producing high soot levels, the most effective solution is to have it serviced or replaced. regeneration symbol appears on your Toro products InfoCenter Do it again at next service interval, then if OK at the one after that. The DEF system is an after treatment after the exhaust comes out of the DPF. Press the space key then arrow keys to make a selection. That's how DPF Remedy solves DPF problems starting with the first tank of treated fuel. How to Solve the Problem? Using engine oils other than A better life for shops leads to safer roads for us all. It also helps you track preventive maintenance, streamline your shops operations, and run a more profitable business. Any night it idles, the next day it needs a parked regen. We're all about creating a rewarding environment for our employees and customers. Do Not Sell or Share My Personal Information, 2020 miles till empty went crazy after fill up. We walk you through everything you need to know. A reman filter is only as good as how well the person prior to you serviced their vehicle, Mustafa says. Parked/Stationary In simple terms this is a canister where the process of burning of soot particles, so called DPM (Diesel Particulate Matter) takes plase. a Recovery regen cycle when requested by the engine. Fuel injectors are responsible for delivering a precise amount of fuel to the engine. Join 135,000 owner-operators who get helpful insights and important news delivered straight to their inbox with the, By providing your email, you agree to our. If the DPF soot level is too high, the engine computer program will not allow the system to regenerate. And when your dead starter is really a bad cable, California banning diesel truck sales in 2036. It's that powerful and it happens fast. Repeated instances can threaten driver retention rates, and fleets risk lowering their on-time delivery rates. Parked Regen Used to start a Parked Tell us the story behind the truck and your business to help build its story. Types of Regeneration When soot levels are high, it indicates that the PDF is not working properly and needs to be serviced. The built-up soot is then removed as gaseous carbon dioxide. 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). 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. Eventually, the DPF system needs cleaning when ash levels are too high but regens significantly extend the amount of time before a technician intervention is necessary. Soot Level High Regenerate DP To Prevent Derate Regenerate DPF To Prevent Derate The diesel particulate filter (DPF) is a device that collects exhaust gases and burns off carbon deposits. 3. 2 Years keep your Tier 4 engine performing reliably. A DPF system relies on many sensors working correctly. Is your parked regen light flashing? A forced regen tends to burn 1-1.5 gallons of fuel, causing fleets to burn away a valuable resource when the regen is not the solution. Load 122%: Recovery regeneration is requested by the engine ECU. These filters grab soot from your exhaust before it blows out into the environment. Helps fleet managers maximize efficiency and extend asset lifespan. Find out why the problem has occurred. when the Passive, Assist and Reset regenerations do not adequately reduce the So, DPF is not the only factor that can contribute to high soot levels in a diesel car. Initiate a Forced DPF Regen A forced DPF regen is performed when a diagnostic scan tool, such as the OTR Reset Tool, starts the regen process. I'm wondering if you drove the truck thru the new dpf regen cycle if the ECM would do the reset automatically? In other words, build a medical record for trucks. 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. You may also try to drive your car at high RPMs for a prolonged period of time, as this can help the filter regenerate and reduce soot levels. Another thing to keep in mind is that the gauge on the dash is a calculation and can sometimes be inaccurate. Cummins ISB, ISL, ISX and Paccar PX Engines, Detroit Diesel S60, DD13, DD15, DD16 Engines, International Maxxforce 11/13 N13 N9 N10 Engines, What are SA SPN FMI - Beginners guide to fault codes, OTR Diagnostics Closer Look - Advanced Fault Codes Explained. and the process can take up to 90 minutes. Why would I run a forced DPF regen if my truck is not asking for one? the last regen was more than 50 hours ago. 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. possible. Youll need to clean very, very carefully so as not to damage the filter, and removing particulate matter must be handled with the proper equipment and care so technicians are not exposed to its extremely fine contaminants. If youve got a heavy foot, you make more soot that needs to be burned off in regen, creating more ash that will eventually clog the filter. Engine regeneration is one new challenge related to T4F that increases downtime and can impact truck performance. 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 A regen is only allowed when 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. Heres what those percentages mean: Above Soot Load 78%: Reset regeneration The last regen started at 509 miles. Applying this logic to all instances of a single active fault on the Cummins ISX15 EPA13, we discovered 903 necessary regens and 1114 unnecessary regens. It's also important that you follow the manufacturer's recommended maintenance schedule for your car. and our normal. 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. The problem is that DPF is rather expensive, and replacing it can be a costly endeavor. May also be used to Any tips you can share on these issues? In order for any diagnostic tool to start a forced DPF regen it must first start a diagnostic session to be able to communicate to the engine and aftertreatment controllers. Shop Owner Roundtable: Featuring IE Fleet Maintenance and OnSite Truck and Equipment Repair. issues of Grounds for Success for more tips and information. Then I returned to the barn yesterday and found that nearly half of our fleet had the same issue. Diesel Technician. This includes regularly cleaning the DPF, as well as making sure that proper fuel and oil quality are maintained. Level 3: (Amber light with DPF sign and amber check engine light are all flashing) Parked Regeneration Required Engine Derate. regen cycle when requested or desired by the operator. By following these manuals, technicians only force a regen when the instructions require it. The Fora platform includes forum software by XenForo. supersnackbar, Feb 7, 2018 Hot coolant turns into a rock, totally plugging the filter. At an average of $23 per hour, employers spent an avoidable $38,433 in technician pay for these events. Monitor the vehicle and surrounding area during regeneration. Learn how these two shop owners handle marketing, recruiting, and interviewing. Less soot = Less need for DPF regeneration. Check to make sure the right line was on the correct port? Technician should ask himself a question: why are the exhaust gases are not hot enough for the regen process to kick in and being carried out? DPF cleaned twice already. Note: An advisory will be 5. really mean? Once you get to this point, youre in trouble and you cant do a regeneration yourself youre going to need a service center.**4. 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. No active changes in engine operation are involved. I hope this blog post helps clear upmore of your forced DPF regen questions. Still, in others, the DPF may need cleaning or replacing, and its important for technicians to perform the correct action. This feature is especially helpful because technicians can tell at a glance that a forced regen is not required if the truck is in regen zone 0 or 1. By checking this box and clicking the "Send me job offers" button below, I represent that I: By checking this box and clicking the "Send me job offers" button below. The information in this blog post can be used as a general foundation for all makes, models, and engines that have the DPF system. PACCAR developed the Engine After Treatment Systems ('ATS'). The tractor comes with a soot level indicator on the display, and an automatic exhaust filer cleaning system. So, what is 3. Due to the increased viscosity of oil caused by the soot, there is an increased risk of engine damage or failure. 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). All Rights Reserved.Privacy Policy| PO Terms & Conditions| Third Party Licensing | Warranties | Transparency in Coverage. 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. This can lead to more friction, incomplete combustion, and higher soot levels. Upon opening the feature, users view a checklist of items to inspect visually. . Subscribe for updates! Even if the DPF was at 100%, the Soot level would go up to 3.40-3.43 g/lt before a regen would start and then after cleaning it would show about 1.8 to 1.9 g/lt. The baking/thermal cleaning process lasts for 6-8 hours. I have a Peterbilt 365 with a paccar mx13 EPA 2010. Our recommendations on how often you should run a forced DPF regen. JPRO Software & Kits The difference could be hundreds of miles to hundreds of thousands of miles, depending on the application, Mustafa notes, with vocational/urban/stop-and-go applications having much shorter intervals than long and heavy. DPF cleaned twice already. Fullbay is made possible by an incredible group of people, staring with our leaders. Diesel fuel with 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. And find an answer for that question. 10 EVs with Best Range in 2023 - Suitable for Interstate? Ultra-low sulfur diesel fuel (less Just go to the SERVICE menu in the InfoCenter display No action is required and no icons are displayed on the Often shortened to regen, a DPF regeneration is the act of the system burning off collected particulate matter and turning it into ash. See label above visor. Level 1: (Amber light with DPF sign is solid) Filter Regeneration Recommended. Regeneration may happen one of three ways: passive, active, or forced. higher than 15 ppm sulfur content can degrade the diesel oxidation catalyst In a real life situation driver will call up for Mobile Truck Repair Service Technician to do the repair, since truck repair shops are not always an option given the fact that they normally close for the day at about 5.00 pm. information. However, the powder-like ash material comes from the additives found in engine oil and continues to build up despite repeated regenerations. Options in this menu include: Current State Current engine regen However, you may also try other solutions, such as cleaning the DPF with a special solution or using additives to reduce soot levels. We have all the same identical trucks through Penske. Check out our other blog posts. The DPF Load gauge is 0 to 100 %. 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. You may also have an aftertreatment fault code that is triggered when its necessary to run a forced DPF regen. Get the cleaning done before it break, he adds, and youll never have an issue.. For these reasons, an unnecessary regen often leads to hours of avoidable downtime before the technician can attempt the next solution. This contamination causes unacceptable back pressure. 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. before disabling the PTO on units that are so equipped. For drivers engaged primarily in long-haul, with plenty of on-road time at greater than 50 percent of load on the engine, it might go as high as 200,000 to 225,000 miles before any need to shop-test the filter, Mustafa says. At Soot Soot level high regenerate dpf to prevent derate. Be warneda new filter can cost $5,000 or more. I have done some research but haven't been satisfied yet. However, it is not always the case, since the road conditions are all different and often times the engine with DPF system (which all most modern engines are after 2005) require drivers interference. be disabled on the unit. A DPF Filter that is too full or not properly functioning threatens both the environment and the truck. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Fuel is one of the highest operating costs incurred by fleets. Youll also want to get to work on it sooner rather than later, as continuing to operate the vehicle at this stage can ruin the DPF and cause other damage. Drop comments below. After a little more than 33,000 miles, nearly half the material trapped in a DPF is ash, he says. Cleaning methods include air blasting, the use of deionized water, and a vacuum-like system. 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.