Once the Recovery regeneration process completes, 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. In CDL School Now Often shortened to "regen," a DPF regeneration is the act of the system burning off collected particulate matter and turning it into ash. This occurs when the engine is under at least 50 percent . The OTR Reset Tool is specific to which model and engine you have. Watch future All rights reserved. manual regen usally ends about 6%. A warning light usually shows up, indicating it is time to literally burn out the accumulated soot. This happens with the soot level reaches a certain threshold. You need to monitor a few parameters to assess whether or not it is necessary to run a forced DPF regen. Join the team and help us continue our mission to better life for shops and contribute to safer roads for us all. What is a DPF (Diesel Particulate Filter) regeneration (regen) process and how to avoid costly road service call for that matter? as normal during this cycle. That's why it's important to perform regular maintenance and inspections on your DPF in order to catch any problems early. Hot coolant turns into a rock, totally plugging the filter. 2. required by the operator unless prompted by the advisories on the screen. Soot Level Low, Why Force a DPF Regen? (3-Minute Read) See how we give back to the essential workers of heavy-duty repair. 5+ Years, Please select ALL of your current, valid drivers licenses. regen cycle when requested or desired by the operator. The machine In these cases, an active regeneration occurs. when regeneration will no longer clear the system completely. reducing harmful emissions in order to comply with EPA-mandated Tier 4 Diesel particulate filter regen is a relatively recent issue facing truck and fleet owners. Passive Regeneration or Regen of the AFT System occurs when the exhaust system gets hot enough to ignite the soot particles in the DOC and the DPF. Required Action: Vehicle must be Parked and Regeneration must be performed engine will begin derate. Whether to do a bake-and-air cleaning, or just air did manual regen a few times. from the engines combustion, which generates enough exhaust heat to burn off Basically, DPF as this acronym implies stands for Diesel Particulate Filter. Soot level high regenerate dpf to prevent derate. 2 Years Yes, OTR Diagnosticsthe OTR ResetTool will allow you to start a forced DPF regen no matter what the soot level is. DPF showing 90% full should I force regen. Its just there to let you know whats happening with your Parked Regen Used to start a Parked A regen causes an engine to sustain substantial revolutions per minute (RPMs) for a considerable amount of time during the process. So, DPF is not the only factor that can contribute to high soot levels in a diesel car. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Proper maintenance will ensure that your vehicle runs efficiently and produces fewer emissions. the particulate matter. We walk you through everything you need to know. Keep customers in the loop on repair progress with simple two-way communication. In these cases, it is important to adjust the driving style in order to ensure that the engine is running at optimal performance. Provide the fast, reliable service that customers wantwith more profit and less headache. If you run out of DEF it will derate you to five miles an hour.. Well discuss both of these things in more detail below. Diesel cars produce soot or particulate matter (PM) due to their combustion cycle. Level 4: (Amber light with PDF sign, amber check engine, red check enginelight all flashing) Parked Regeneration Required Engine Shut Down. left in the OFF state. As the exhaust gasses pass through the filter, it captures somewhere between 85%-100% of diesel particulate matter (DPM). 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. At Soot Load 100%: Parked regeneration When necessary, a filter can be replaced or serviced in order to maintain optimal performance. (aka soot), from the diesel engine exhaust. The regeneration process occurs when the car is running at high speeds or when certain environmental conditions are met, such as air temperature and exhaust gas temperatures. 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. Subscribe for updates! 1. (at top) The high exhaust temperature light indicates that passive regeneration is occurring. Ultra-low sulfur diesel fuel (less 4. Regeneration Additionally, DPF reduces engine noise, allowing diesel engines to run more quietly and efficiently. regen is required, and the operator should perform this process as soon as What else are customers saying about us? We turned to Toros Technical Service Team to help explain. regeneration system, its right at your fingertips. Reduce administrative overhead with automated bookkeeping that syncs with accounting programs. Mustafa's DPF warning-light breakdown **1. Do it again at next service interval, then if OK at the one after that. 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. 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. Fuel mileage. And I'm assuming you checked/changed the sensor that determines the soot mass? High air pressure is used to agitate the particles and remove them from the filter. The last regen started at 509 miles. What's more, a new rule approved unanimously by CARB will also require drayage operators to begin transitioning to electric trucks as soon as 2024, with a full diesel phase-out at the ports by 2035. 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. Don't 'drive through the lights' and other aftertreatment system PM exhaust temperature as a result. 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. or taking place. Anybody have the factory dpf gauge and run an aftermarket gauge too? Of all faults displayed on the table, none included troubleshooting steps indicating a forced regen was the recommended action. Ever thought about starting a mobile repair shop? What They Mean In the case of a compromised filter, if you want reliable road time, replace the filter, Mustafa says, but before you do, make certain conditions causing the compromised condition of the device are taken care of first. part of a continuing series of how to articles to help you maximize engine performance. Level 2: (Amber light with DPF sign is flashing) Filter regeneration Necessary. Click here to join the waitlist! For more information, please see our We're all about creating a rewarding environment for our employees and customers. 6-11 Months Diesel Technician. What is face plugging? filter will eventually require cleaning as a normal maintenance requirement If a technician just tries to throw a filter at it and youve seen those other conditions, youre just feeding the problem. JavaScript is disabled. If your truck can successfully go through a regen, you only need the pneumatic cleaning. If not, bake as well as blow. Youll need a diagnostic tool for this. 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. JPRO Software & Kits On average, it takes between thirty and sixty minutes to complete a forced regeneration. New dpf, Still high soot levels. | Diesel Place 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. Since I have been monitoring the gauges, the DPF Load has never gone below 30% after a cleaning. Level 3: (Amber light with DPF sign and . 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). Passive regen v. active regen Recovery RegenUsed to start By doing the forced DPF regen you are lowering the soot level and keeping your system running at peak performance. 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. Why Regeneration? In other words, build a medical record for trucks. really mean? There are consequences for running unnecessary regens, all of which affect the cost of ownership and impact a fleets bottom line. Gain access to the worlds largest parts cross-reference, up-to-date labor times, wiring diagrams, and step-by-step service guides for commercial vehicles. Soot level high regenerate dpf to prevent derate. Call Us: (586) 799-4375. keeping your system running at peak performance. Deodorant on Squeaky Belt. 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. 6 years of development. It went to 127% before regen. 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. Start a forced DPF regen. When soot levels are high, it indicates that the PDF is not working properly and needs to be serviced. A diesel particulate filter (DPF) is a component within a heavy-duty trucks aftertreatment system. DPF - When to Avoid Forced Regenerations - Noregon Yanmar engines currently use five different regeneration 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 other issue that might come up is the process of Forced DPF regeneration will not start even with Diagnostic Tool hooked up to the trucks MCM. regeneration to help with this process. machine downtime may result. I don't idle over night anymore because of this BS. There are several methods for clearing out the clogged DPF out there on the market, but they are all costly and labor intense. The information in this blog post can be used as a general foundation for all makes, models, and engines that have the DPF system. Read the entire description and do not assume a mention of the word Filter, DPF, SCR,or Aftertreatment means a forced regen is the solution. To prevent problems downstream in the aftertreatment system and prevent those high repair price tags, perhaps the most important thing that can be done, as weve reported before, is to maintain fluid systems in the engine. When the Parked/Stationary regeneration is required, the display will prompt This means that a DPF cannot regenerate if the fuel level is low. Fullbay is made possible by an incredible group of people, staring with our leaders. Reddit and its partners use cookies and similar technologies to provide you with a better experience. long-term component life. 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. 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. The Fora platform includes forum software by XenForo. If you havent had issues, I implore you to get your own filter back.. regulations. Diesel Particulate Filter (DPF) Regen & Repair | Fullbay Another thing to keep in mind is that the gauge on the dash is a calculation and can sometimes be inaccurate. Once you get to this point, youre in trouble and you cant do a regeneration yourself youre going to need a service center.**4. 2016 Peterbilt 579 Mechanic's Assistant: Are you fixing this yourself? Many of our clients have seen daily regens go to weekly or monthly regens. If you utilize a reman unit, youre inheriting their issues once you put that filter in. cycles from running automatically. The unit will only permit the operator to wait two hours maximum Get the latest trends and best practices in heavy-duty repair. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. Its very hard to nail somebody down to give you a maintenance interval.. Considering the 1114 unnecessary regens, we discovered on a single engine model when only one active fault was present, between 1114 and 1671 gallons of fuel were wasted on unnecessary regens. The definitive report on the commercial vehicle repair industry. Dmitry has been an editor and author at Cararac.com since 2015. DPF condition: Filter is now reaching maximum capacity. Time Since Regen Time since last I give my express consent authorizing TruckersReport and its. PDF 2013 - National Highway Traffic Safety Administration 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. This downtime wastes labor hours and occupies a service bay, affecting downtime on trucks awaiting repairs. There are multiple reasons that may prevent a DPF regen. When the soot level is too high for a passive or active regen to occur. 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. 1.Yes idling is the worst thing for DEF/DPF systems, evidently the exhaust gas temps and pressures are not high enough during idling to burn off the soot. Get the cleaning done before it break, he adds, and youll never have an issue.. The baking/thermal cleaning process lasts for 6-8 hours. Regeneration may happen one of three ways: passive, active, or forced. Parked/Stationary machine is in regen mode. In the particular example he shared, a 2015 Kenworth came in after being driven through warning-light processes on the dash to the bitter end (the bottom icon in the image below). 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. In order to keep your diesel car running efficiently, it is important to maintain the DPF and ensure that it is in optimal condition. For these reasons, an unnecessary regen often leads to hours of avoidable downtime before the technician can attempt the next solution. 2. So, what is I have done some research but haven't been satisfied yet.