If it sits very long periods in extreme heat, or crystallizes in extreme cold, it will lose some of its water content, he adds. may be operated as normal during this cycle. Various customers, Mustafa says, have made a drain and flush with warm water, followed by refill, of DEF tanks a part of preventive maintenance procedures at every service interval. 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. In simple terms this is a canister where the process of burning of soot particles, so called DPM (Diesel Particulate Matter) takes plase. One active regeneration method involves the ECM tweaking engine parameters to increase the exhaust temperature. The DPF Load gauge is 0 to 100 %. Job Listing Rules. Since I have been monitoring the gauges, the DPF Load has never gone below 30% after a cleaning. (at top) The high exhaust temperature light indicates that passive regeneration is occurring. Learn how these two shop owners handle marketing, recruiting, and interviewing. If you havent had issues, I implore you to get your own filter back.. If your car has a DPF issue and is producing high soot levels, the most effective solution is to have it serviced or replaced. Marketing Goes Heavy-Duty: Introducing Nick Adams & Dieselmatic. 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. FORScan and others do not seem to give "accurate" readings in relation to what Ford has programmed the ECU/PCM. InfoCenter. Be on the lookout for bad DEF cycles from running automatically. The unit will only permit the operator to wait two hours maximum Terms | and the process can take up to 90 minutes. Today Fullbay is the number one fleet repair platform in North America. Well discuss both of these things in more detail below. 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. 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. It is important to keep all of these potential causes in mind when diagnosing and servicing your vehicle. regeneration to help with this process. Soot Level High. DPF? How to Solve the Problem? I park the truck, set brakes. Here's what those percentages mean: Above Soot Load 78%: Reset regeneration is activated by the engine ECU. 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. 6.4 HEMI Life Expectancy Consideration How Long Will It Live? Soot level high regenerate dpf to prevent derate. Do it again at next service interval, then if OK at the one after that. Normally with the first tank of treated fuel. Youll need to clean the DPF every 150,000 to 300,000 miles to remove accumulated ash. The ATS is made up of the Diesel Particulate Filter ('DPF') System and the Selective Catalytic Reduction ('SCR') System to reduce particulate and nitrogen oxide emissions. The definitive report on the commercial vehicle repair industry. Under these conditions, soot burns off as fast as it is generated! 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. We equip you with the power to perform advanced diagnostics easier and faster than ever before while over the road. 5+ Years, Please select ALL of your current, valid drivers licenses. Diesel fuel with D13 Regen/soot level? - TruckersReport.com Like most filters, a DPF has a finite lifespan and requires cleaning to remain effective and, eventually, replacing. 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. By following this list, technicians can often correct the problem without the need to force a regen. Symbols and Mustafas DPF warning-light breakdown **1. Regeneration is all about removing the particulate matter, or unburnt fuel 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. Diesel Stories: A heavy-duty podcast for the heavy-duty industry. DMCA/Copyright Policy. Referencing the 1114 unnecessary regens discovered earlier and a conservative ninety minutes lost to the time spent for the regen to complete and the aftertreatment system to cool down, 100,260 minutes (1671 hours) of avoidable downtime occurred. I'm guessing miles are in the 3-400k? 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. Digital marketing solutions built for heavy-duty truck repair shops. Duramax Fifth Generation: 2011-2016 (LML), http://www.dieselplace.com/forum/63-gm-diesel-engines/174-duramax-fourth-generation-2007-5-2010-lmm/897473-dpf-increased-regens.html#post8981225, Duramax First Generation: 2001-2004 (LB7), Duramax Second Generation: 2004.5-2005 (LLY), Fuel System, Air, Exhaust & Emissions Upgrades. Boost efficiency in your heavy equipment repair shop with fast, flexible software. The most common way is to use a diagnostic tool that can measure particulate matter (PM) levels in the exhaust. DPF Soot Level High - DPF Alternatives NWA What They Mean Ever thought about starting a mobile repair shop? I don't idle over night anymore because of this BS. Check. I haven't used them. or taking place. A DPF system relies on many sensors working correctly. Remember the tips provided in this document and you will help fleets and service bays operate more efficiently. 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. DPF condition: Filter is now reaching maximum capacity. Provide the fast, reliable service that farmers need to keep their equipment working. At Soot In some instances, forced regeneration is the correct action to fix the problem. Start a forced DPF regen. Another thing to keep in mind is that the gauge on the dash is a calculation and can sometimes be inaccurate. Technicians and fleet personnel must keep in mind they waste valuable time, money, and other resources when a forced regeneration occurs unnecessarily. Manage parts across multiple locations and easily order from vendors. DPF - When to Avoid Forced Regenerations - Noregon regeneration symbol appears on your Toro products InfoCenter Level 1: (Amber light with DPF sign is solid) Filter Regeneration Recommended. Select which engine for more specific details. Its a wall-flow filter usually made of cordierite, silicon carbide, or a ceramic monolith. How often should DPF Regenerations take place? If your engine is a 2010 or later emissions spec and youre using diesel exhaust fluid (DEF) for the selective catalytic reduction (SCR) system to separate nitrogen and oxygen in NOx emissions, beware long periods of downtime (a month or more) in extreme weather and/or DEF stored for long periods without climate control. Proper maintenance will ensure that your vehicle runs efficiently and produces fewer emissions. For a better experience, please enable JavaScript in your browser before proceeding. It is. By recent, we mean 2007; diesel trucks from that model year and onward are blessed with a diesel particulate filter (DPF). Soot Level High Regenerate DP To Prevent Derate This includes regularly cleaning the DPF, as well as making sure that proper fuel and oil quality are maintained. Probably the fuel filter has gotten restricted and engine does not operate at full power, or there might be a fuel leak somewhere and fuel injectors get less fuel than calculated per given engine load. 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. Looking to learn more? exhaust temperature as a result. These filters grab soot from your exhaust before it blows out into the environment. If you utilize a reman unit, youre inheriting their issues once you put that filter in. normal. That's why it's important to perform regular maintenance and inspections on your DPF in order to catch any problems early. For more information, please see our 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. information. A DPF is basically a filter that captures soot particles from the exhaust gases of diesel engines. Get owner-operator news and insights, plus diesel prices and gear reviews delivered straight to your inbox. 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 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 DPF Soot gauge before last regen was at 3.0 g/l and dropped to 1.53 g/l after regen. from the engines combustion, which generates enough exhaust heat to burn off Submit. 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. Driving short distances without allowing the engine to warm up properly can also lead to higher soot levels. Why Regeneration? 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. This downtime wastes labor hours and occupies a service bay, affecting downtime on trucks awaiting repairs. By following these manuals, technicians only force a regen when the instructions require it. Recovery regeneration is the most advanced All rights reserved. The last regen started at 509 miles. Like @daf105paccar said, sounds like a sensor going bad or a DPF needing serviced. 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. 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. before disabling the PTO on units that are so equipped. The information in this blog post can be used as a general foundation for all makes, models, and engines that have the DPF system. These include cases where cleaning or replacing the DPF is required or an entirely different component of the aftertreatment system causes the fault. If any unsafe condition occurs, shut off the engine immediately. Hold down regen button, nothing. Fortunately, Fullbay makes it easy to maintain your or your customers DPFsbut thats not all. Diesel Technician. Burning the soot out of the filter is called regeneration. The check engine light (yellow)starts with a 20 percent derate (reduction in horsepower output), then moves up to 40 percent, which if you hadnt noticed the 20 percent, you will most certainly notice, Mustafa says. Easily send estimates to customers and receive electronic approvals before starting work. Less soot = Less need for DPF regeneration. Excessive soot production could prevent a rolling regen from working which can be caused by poor fuel flow like from clogged filters. 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. Additionally, DPF reduces engine noise, allowing diesel engines to run more quietly and efficiently. machine downtime may result. A better life for shops leads to safer roads for us all. The baking/thermal cleaning process lasts for 6-8 hours. Intervals will be shorter, too, if your foot is fairly leaden. 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. 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. Diesel particulate filter regen is a relatively recent issue facing truck and fleet owners. dirve it for about 5 minutes after regen ends and it drops to another 4%. be disabled on the unit. 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. for anyone looking to confirm the current state of the engine and whether the Are these trucks not capable of regening while driving? DPF (Diesel Particulate Filter) regeneration - A Plus Truck Repair regeneration and why is it needed? 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. The built-up soot is then removed as gaseous carbon dioxide. The DEF system is an after treatment after the exhaust comes out of the DPF. Diesel Particulate Filter (DPF) Regen & Repair | Fullbay diesel particulate filters used on Tier 4 engines. possible. If this This occurs when the engine is under at least 50 percent of load, often when hauling on the heavier side at highway speeds. In order for this to go away it will need to be reset with a pc or capable scan tool. the engine returns to normal operation. long-term component life. how often you should run a forced DPF regen, Perform a forced DPF regen every 2-3 weeks. Regardless if the forced regen occurs in the bay or on the side of the road, drivers lose precious time awaiting its completion. We turned to Toros Technical Service Team to help explain. control state information only. NarcolepZZZZZZ 2 yr. ago The only light was the DPF Status indicator.don't ever go far enough to get a meaningful active regen. (aka soot), from the diesel engine exhaust. operator with an advisory that a Recovery regen is required and the PTO will Recently changed differential pressure sensor, and did not take care of issue. Heres what those percentages mean: Above Soot Load 78%: Reset regeneration Timewise, weve generally found that cleaning a DPF is a quick enough processit can usually be accommodated during an oil change. It went to 127% before regen. Determine your ideal gross profit and markup percentage,. 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. DPF condition: Filter is reaching capacity. regulations. Some cars may also have indicators that will let you know if there are any issues with the DPF. In theory the Cordierite and silicon carbide ceramics should be able to reduce DPM by approximately 70 and 90 percent respectfully. regen cycle when requested or desired by the operator. is requested by the engine ECU. PACCAR developed the Engine After Treatment Systems ('ATS'). Technician as a Service, Noregon. In these cases, it is important to adjust the driving style in order to ensure that the engine is running at optimal performance. But over time, soot builds up in the DPF filter walls. Required Action: Vehicle must be parked and a Parked Regeneration or Service Regeneration must be performed. Lifehacks That Kill Your Vehicle, KIA Sportage Hidden Features - Making Your SUV Even Smarter. Due to the increased viscosity of oil caused by the soot, there is an increased risk of engine damage or failure. 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. Called Passive Regen while driving at speeds above 50 miles per hour, yes supposed to regen while driving. when regeneration will no longer clear the system completely. It works by trapping the harmful particles as they pass through it and then breaking them down into harmless components during the regeneration process. Be warneda new filter can cost $5,000 or more. 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. The DPF must be rebuilt to eliminate the soot in the engine. If you run out of DEF it will derate you to five miles an hour.. Privacy Policy. 3. Untilnext time! Find out why the problem has occurred. Interesting problem. left in the OFF state. 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. Schedule a free demo of our shop management software. When the soot level is too high for a passive or active regen to occur. Forced DPF Regen, Resets Derates - OTR Performance Inc. The High Exhaust Gas In addition to poor regeneration and clogged filters, there are several other factors that can lead to high soot levels in a diesel car. The machine Youll also need to clean the filter if a fuel injector or turbo problem causes contamination with engine oil or non-combusted diesel. DPF condition: Filter has reached maximum capacity. Thermal cleaning doesnt remove anything, but makes it easier to do the pneumatic [air] cleaning. The engine controller reports the DPF soot load as a value from 0% to 250% not 0% to 100% as you may expect. 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? Engine regeneration is one new challenge related to T4F that increases downtime and can impact truck performance. Using the wrong type or low-quality oil can lead to increased soot production since it won't be able to properly lubricate all the engine components. 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. And find an answer for that question. Once the Recovery regeneration process completes, There are three types of regenerations to consider: When the aftertreatment system is working effectively and the vehicle has met the necessary conditions, a regeneration occurs while the truck is in transit. Paying attention to dash symbols and trying to drive long distances at a time will allow the DPF system to do its job properly and increase longevity of its potential. Tell us the story behind the truck and your business to help build its story. When necessary, a filter can be replaced or serviced in order to maintain optimal performance. if the engine is requesting a Recovery regen. Over time, these particles can accumulate in the diesel particulate filter (DPF), which is designed to reduce soot levels by trapping the particles and burning them off in a process known as regeneration. A regen is only allowed when Passive regeneration happens automatically. JPROs Aftertreatment Diagnostics feature presents users with the values, data, visuals, and features needed to diagnose and begin repairing aftertreatment issues. 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. . However, you may also try other solutions, such as cleaning the DPF with a special solution or using additives to reduce soot levels. 6-11 Months 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. Any night it idles, the next day it needs a parked regen. The engine controller reports the DPF soot load as a value from 0% to 250% Monitor the vehicle and surrounding area during regeneration. As a side note, newer engines allow for different methods of regeneration, even while parked or in neutral. I'm wondering if you drove the truck thru the new dpf regen cycle if the ECM would do the reset automatically? At about 85% soot capacity and above, the DPF will need to be either removed and cleaned or replaced. and choose from these options: Inhibit Regen (On/Off) Should be
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