Examining data derived from one of the most common engines from JPRO connections, we discovered a significant number of regens performed when there was no suggestion to do so. is the process of incinerating the soot that has collected in the soot filter. Nich1019. Cookie Notice Soot Load - DPF soot load in percent reported by engine. cycles from running automatically. Download free educational guides and resources. One active regeneration method involves the ECM tweaking engine parameters to increase the exhaust temperature. For a better experience, please enable JavaScript in your browser before proceeding. Drop comments below. soot in the soot filter. When to start a forced DPF regen? Soot Load DPF soot load in percent Provide consistent, dependable repairs and maintenance that emergency vehicles can rely on. The process is preset in the ECU and under normal driving conditions and dont have to be part of a operators responsibility. New comments cannot be posted and votes cannot be cast. Many of our clients have seen daily regens go to weekly or monthly regens. The engine controller reports the DPF soot load as a value from 0% to 250% Maintenance Reminders If you utilize a reman unit, youre inheriting their issues once you put that filter in. You guessed it: the diesel particulate filter is one more thing that must be tracked and maintained on a heavy-duty truck. Lifehacks That Kill Your Vehicle, KIA Sportage Hidden Features - Making Your SUV Even Smarter. Cycles Is there a trick to regen a KW? displayed recommending running your engine at full throttle during a Reset DPF condition: Filter is now reaching maximum capacity. regeneration symbol appears on your Toro products InfoCenter Your car performance will also suffer, and it might even emit more visible smoke from the exhaust than usual. DPF showing 90% full should I force regen. 3 Years Manage parts across multiple locations and easily order from vendors. When soot concentration becomes too high, it negatively affects oil quality and can lead to engine wear, reduced power output, and increased fuel consumption. required by the operator unless prompted by the advisories on the screen. Deodorant on Squeaky Belt. manual regen usally ends about 6%. Diesel Technician. 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. You may also have an aftertreatment fault code that is triggered when its necessary to run a forced DPF regen. Ever thought about starting a mobile repair shop? sure to read and understand any advisories for additional instructions and filter will eventually require cleaning as a normal maintenance requirement Tell-tale symptoms of a successful (or unsuccessful) forced DPF regeneration. 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. (at top) The high exhaust temperature light indicates that passive regeneration is occurring. Using an average diesel price of 2.42, that equates to $2,700-$4,043 in wasted fuel costs. 2016 Peterbilt 579 Mechanic's Assistant: Are you fixing this yourself? The you need a regen light, as Mustafa calls it. Any tips you can share on these issues? . NextStep Repair Software 5. when regeneration will no longer clear the system completely. Learn how these two shop owners handle marketing, recruiting, and interviewing. Regeneration may happen one of three ways: passive, active, or forced. That's why it's important to perform regular maintenance and inspections on your DPF in order to catch any problems early. It's also important that you follow the manufacturer's recommended maintenance schedule for your car. Choosing a selection results in a full page refresh. DPF condition: Filter has reached maximum capacity. Under these conditions, soot burns off as fast as it is generated! By following this list, technicians can often correct the problem without the need to force a regen. May also be used to How does it happen? No shorts, etc on the electrical lines? In addition to poor regeneration and clogged filters, there are several other factors that can lead to high soot levels in a diesel car. As another example, diesel trucks that frequently climb hills should have no problem passively regenerating their DPF. regulations. Click here to read the raves. Required Action: Vehicle must be Parked and Regeneration must be performed engine will begin derate. Grow your business with a premium website, pay-per-click management, and more. Regeneration is all about removing the particulate matter, or unburnt fuel Timewise, weve generally found that cleaning a DPF is a quick enough processit can usually be accommodated during an oil change. Of all faults displayed on the table, none included troubleshooting steps indicating a forced regen was the recommended action. Recovery regen cycle when the cycle is running. These filters grab soot from your exhaust before it blows out into the environment. 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. 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. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. 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. 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. 7,000+ units sold and counting. The main active components of all DPF filters are ceramic cell matter, based on Cordierite and silicon carbide ceramics. This means that a DPF cannot regenerate if the fuel level is low. Any night it idles, the next day it needs a parked regen. High soot levels can be identified through a variety of methods. a Recovery regen cycle when requested by the engine. Soot Level High. Technicians and fleet personnel must keep in mind they waste valuable time, money, and other resources when a forced regeneration occurs unnecessarily. 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. Some operating conditions such as excessive idling or lugging the engine can lead to higher soot levels. Schedule a free demo of our shop management software. The baking/thermal cleaning process lasts for 6-8 hours. Our recommendations on how often you should run a forced DPF regen. If a Find out why the problem has occurred. Why Regeneration? 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. 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. No action is required and no icons are displayed on the JPROs Aftertreatment Diagnostics feature presents users with the values, data, visuals, and features needed to diagnose and begin repairing aftertreatment issues. long-term component life. Diesel fuel with sub-menu contains additional information, not only for technicians, but also This contamination causes unacceptable back pressure. In order for you to receive the best possible offers, please make sure your answers above are accurate prior to submitting. Let's take a look at some of them. The DEF system is an after treatment after the exhaust comes out of the DPF. The built-up soot is then removed as gaseous carbon dioxide. issues of Grounds for Success for more tips and information. Fuel is one of the highest operating costs incurred by fleets. machine is parked. 2023 Randall-Reilly, LLC. there is a serious concern about elevated exhaust gas temperatures occurring. Regenerate dpf to avoid derate. When it comes on, the system needs to be regenerated, whether actively or passively. 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. Once the DPF is regenerated, the engine will automatically return to the normal idle speed. 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. This ash buildup is not necessarily related to regens, but is most often due to sulfated ash in the engine oil. keep your Tier 4 engine performing reliably. When a vehicle's DPF becomes too clogged, it will cause the engine to derate and may damage the car's engine. and our Fullbays leading technology integrates seamlessly with other industry tools. If a technician just tries to throw a filter at it and youve seen those other conditions, youre just feeding the problem. Do it again at next service interval, then if OK at the one after that. If any of these sensors has an issue that triggers a fault code, a regen will not fix the problem without first isolating and repairing the malfunctioning sensor. 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. The DPF Load gauge is 0 to 100 %. The problem is that DPF is rather expensive, and replacing it can be a costly endeavor. Diesel particulate filter regen is a relatively recent issue facing truck and fleet owners. This permits an operator to prevent Reset regeneration Learn More For more information about Tier 4 regeneration, download this informational brochure, visit our Tier 4 information page, or contact your local Toro distributor. A better life for shops leads to safer roads for us all. Additionally, when the regen doesnt correct the problem, the driver incurs morel downtime waiting on a tow or mobile repair visit and the associated repair work. Proper maintenance will ensure that your vehicle runs efficiently and produces fewer emissions. In CDL School Now Types of Regeneration A diesel particulate filter (DPF) is a component within a heavy-duty trucks aftertreatment system. Passive Regeneration Passive regeneration happens automatically. You need to monitor your. Additional OBFCT s may be required to reduce soot load and turn off the DPF lamp. Be warneda new filter can cost $5,000 or more. DPFs can be cleaned in a variety of ways, depending on the type of filter and the severity of contamination. Shop Owner Roundtable: Featuring IE Fleet Maintenance and OnSite Truck and Equipment Repair. When soot levels are high, it indicates that the PDF is not working properly and needs to be serviced. Regeneration, generally, is the process by which increased exhaust gas temperatures turn soot clogging portions of the DPF into less-clogging ash.**2. The value may fluctuate, and this is normal. Reduce administrative overhead with automated bookkeeping that syncs with accounting programs. dirve it for about 5 minutes after regen ends and it drops to another 4%. JPRO Software & Kits The value may fluctuate, and this is 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. Knowing when exactly the filter is clogged enough to warrant a bake and/or blow-out (or in the case of Detroits post-2010 units still under warranty, employment of that companys own fluid cleaning method so as not to void the warranty, he notes) is where a somewhat-new maintenance approach is advised. 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 play a part, including amount of idle, which Mustafa recommends against to extend the life of the DPF and broader system. Privacy Policy. DPF condition: Filter is now reaching maximum capacity. It is important to keep all of these potential causes in mind when diagnosing and servicing your vehicle. regen cycle when requested or desired by the operator. exhaust temperature as a result. Soot level high regenerate dpf to prevent derate. The DPF Soot gauge before last regen was at 3.0 g/l and dropped to 1.53 g/l after regen. High air pressure is used to agitate the particles and remove them from the filter. This process requires the operator or technician to Five years ago, he made the leap from healthcare to truck repair. What They Mean Load 122%: Recovery regeneration is requested by the engine ECU. 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. reducing harmful emissions in order to comply with EPA-mandated Tier 4 I don't idle over night anymore because of this BS. FORScan and others do not seem to give "accurate" readings in relation to what Ford has programmed the ECU/PCM. 3. See the improvements real shops experienced when they switched to Fullbay. Jacob Findlay is the Co-Founder & Executive Chairman of Fullbay. * 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. DPF regen happens when the trapped particulates heat up enough to combust and turn to ash. Stay safe, stay healthy & be blessed. Another way to determine whether your car has an issue with its DPF is to look for signs of excessive smoke from the exhaust. Turf management news, events, and solutions. A DPF is basically a filter that captures soot particles from the exhaust gases of diesel engines. 5+ Years, Please select ALL of your current, valid drivers licenses. Once the underlying issue is resolved the regen process should be again called for and be carried out. level of DPF cleaning. Do Not Sell or Share My Personal Information, 2020 miles till empty went crazy after fill up. Check engine operators manual for details engine will shut down. diesel particulate filters used on Tier 4 engines. New trucks are stupid. Passive, Assist and Reset regeneration are automatic methods, and I'm wondering if you drove the truck thru the new dpf regen cycle if the ECM would do the reset automatically? Level 3: (Amber light with DPF sign and amber check engine light are all flashing) Parked Regeneration Required Engine Derate. Repeated instances can threaten driver retention rates, and fleets risk lowering their on-time delivery rates. Whether to do a bake-and-air cleaning, or just air the particulate matter. I park the truck, set brakes. 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? regeneration is used 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. At an average of $23 per hour, employers spent an avoidable $38,433 in technician pay for these events. In order to keep your diesel car running efficiently, it is important to maintain the DPF and ensure that it is in optimal condition. 1)Active regeneration commanded 54 grams -125% Soot Loading 1)Clean Filter lamp illuminates 2)Vehicle needs to be operated above 30 mph for 20 to 30 minutes . 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. A maintenance checklist can help ensure you hit everything necessary during an inspection. The TECHNICIAN 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. regeneration system, its right at your fingertips. And find an answer for that question. Note: Be before disabling the PTO on units that are so equipped. There are several methods for clearing out the clogged DPF out there on the market, but they are all costly and labor intense. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. 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. We equip you with the power to perform advanced diagnostics easier and faster than ever before while over the road. regeneration request is ignored, engine performance will degrade and unplanned 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. It needs to go somewhere and be cleared out. 6 years of development. Assist regeneration uses the throttle valve Looking for the next step in your career? 2. 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. Heres what those percentages mean: Above Soot Load 78%: Reset regeneration 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. I have a 2012 w/540,000miles. 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. This occurs when the engine is under at least 50 percent . 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. These include cases where cleaning or replacing the DPF is required or an entirely different component of the aftertreatment system causes the fault. CJ-4 can cause premature clogging of the DPF and a subsequent reduction in By accurately troubleshooting the problem, the solution should become evident. Tier 4 diesel engines require CJ-4 specification (or higher) low-ash oil. Every month 400 people find a job with the help of TruckersReport. When the Parked/Stationary regeneration is required, the display will prompt Tier 4 engines for both regulatory and technical reasons. Basically, DPF as this acronym implies stands for Diesel Particulate Filter. It is kinda lengthy process, but in most cases the whole process should not take more than an hour. The Fora platform includes forum software by XenForo. DPF regen happens when the trapped particulates heat up enough to combust and turn to ash. After discovering the root cause, detailed repair manuals help guide the technician down the most efficient path to repair the problem. 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. So maybe someone can give me a better under standing of what DPF Load is in connection with DPF Soot. machine downtime may result. Ask questions or send a hint for future articles on the author's page. We're all about creating a rewarding environment for our employees and customers. 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.
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