Streamline your heavy-duty mobile operationeven when the team is miles apart. 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. What else are customers saying about us? At an average of $23 per hour, employers spent an avoidable $38,433 in technician pay for these events. NextStep Repair Software I'm wondering if you drove the truck thru the new dpf regen cycle if the ECM would do the reset automatically? Looking for the next step in your career? By following this list, technicians can often correct the problem without the need to force a regen. exhaust temperature as a result. Ultra-low sulfur diesel fuel (less Regenerations are essential functions for trucks and the environment. DPF Soot Load is at an elevated level (7+), perform 1 additional OBFCT. In addition, 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. 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. PACCAR developed the Engine After Treatment Systems ('ATS'). VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. And I'm assuming you checked/changed the sensor that determines the soot mass? I have a Peterbilt 365 with a paccar mx13 EPA 2010. there is a serious concern about elevated exhaust gas temperatures occurring. If you want to know more about whats happening with your machines engine Regeneration manual regen usally ends about 6%. If the soot level is low, can I still perform a forcedDPFregen withOTR Diagnostics or the OTR ResetTool? I park the truck, set brakes. 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. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. when the Passive, Assist and Reset regenerations do not adequately reduce the InfoCenter. However, the powder-like ash material comes from the additives found in engine oil and continues to build up despite repeated regenerations. CJ-4 can cause premature clogging of the DPF and a subsequent reduction in Our recommendations on how often you should run a forced DPF regen. Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device. Stay safe, stay healthy & be blessed. Due to the increased viscosity of oil caused by the soot, there is an increased risk of engine damage or failure. Time Since Regen Time since last 3. Level 3: (Amber light with DPF sign and amber check engine light are all flashing) Parked Regeneration Required Engine Derate. Agriculture and Farming Equipment Repair Software. When the soot level is too high for a passive or active regen to occur. 12.12.2022. Available within the Aftertreatment Diagnostics feature, technicians quickly see which regen zone (0-5) the truck is in and determine the best course of action. Cruise off. may be operated as normal during this cycle. Level 4: (Amber light with PDF sign, amber check engine, red check enginelight all flashing) Parked Regeneration Required Engine Shut Down. Soot Load DPF soot load in percent 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 . This contamination causes unacceptable back pressure. 2. Be warneda new filter can cost $5,000 or more. Any tips you can share on these issues? It works by trapping the harmful particles as they pass through it and then breaking them down into harmless components during the regeneration process. Often shortened to regen, a DPF regeneration is the act of the system burning off collected particulate matter and turning it into ash. Basically, DPF as this acronym implies stands for Diesel Particulate Filter. Your car performance will also suffer, and it might even emit more visible smoke from the exhaust than usual. All Rights Reserved.Privacy Policy| PO Terms & Conditions| Third Party Licensing | Warranties | Transparency in Coverage. Choosing a selection results in a full page refresh. diesel particulate filters used on Tier 4 engines. Theres all kinds of ways to learn how to use Fullbay! Manage parts across multiple locations and easily order from vendors. 4. 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. the engine returns to normal operation. A reman filter is only as good as how well the person prior to you serviced their vehicle, Mustafa says. when regeneration will no longer clear the system completely. Easily send estimates to customers and receive electronic approvals before starting work. Our customers take to video to share their stories about life with Fullbay. A DPF Filter that is too full or not properly functioning threatens both the environment and the truck. 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. cycles from running automatically. The unit will only permit the operator to wait two hours maximum machines engine. Watch future To effectively blow the ash out of a DPF and clean it, the soot needs to have been turned into ash. 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. Not sure what you could do with a snap on scanner. Job Listing Rules. Inhibit Regen defaults to OFF when the machine is turned on. Its just there to let you know whats happening with your 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. Work on it with some of your peers, those with similar miles per gallon, driving style and application. 1-5 Months As a side note, newer engines allow for different methods of regeneration, even while parked or in neutral. When the Parked/Stationary regeneration is required, the display will prompt regeneration to help with this process. 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. Schedule a free demo of our shop management software. DMCA/Copyright Policy. Why can't I regen before my trip "conditions not met". 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. (Video) Soot Sensor Operation and Information (TheDieseler) How do I lower soot level? 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. Its a normal and necessary part of The engine controller reports the DPF soot load as a value from 0% to 250% The soot reduction also means clean EGR valves . higher than 15 ppm sulfur content can degrade the diesel oxidation catalyst Note: Be 2016 Peterbilt 579 Mechanic's Assistant: Are you fixing this yourself? NarcolepZZZZZZ 2 yr. ago The only light was the DPF Status indicator.don't ever go far enough to get a meaningful active regen. Tell-tale symptoms of a successful (or unsuccessful) forced DPF regeneration. After a little more than 33,000 miles, nearly half the material trapped in a DPF is ash, he says. These include, but are not limited to, a clogged DPF filter, EGR fault codes, your VGT turbo operation. Let's take a look at some of them. Using engine oils other than Like most filters, a DPF has a finite lifespan and requires cleaning to remain effective and, eventually, replacing. The regeneration cycle must be performed while the (aka soot), from the diesel engine exhaust. Note: An advisory will be 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. Once the DPF is regenerated, the engine will automatically return to the normal idle speed. Parked/Stationary and Recovery regeneration are manual methods. Once the Recovery regeneration process completes, A DPF is basically a filter that captures soot particles from the exhaust gases of diesel engines. For more information, please see our Soot level high regenerate dpf to prevent derate. Tier 4 diesel engines require CJ-4 specification (or higher) low-ash oil. For these reasons, an unnecessary regen often leads to hours of avoidable downtime before the technician can attempt the next solution. Jacob is a CPA licensed in Arizona, has a Master's degree in Accounting, a cellist, a so-so surfer, and the father of eight children. In CDL School Now reducing harmful emissions in order to comply with EPA-mandated Tier 4 At Soot Load 100%: Parked regeneration Check out our other blog posts. engine performance. You need to monitor a few parameters to assess whether or not it is necessary to run a forced DPF regen. 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. A DPF system relies on many sensors working correctly. regen cycle when requested or desired by the operator. You Have The Right to Repair This TruckOr Do You? If any unsafe condition occurs, shut off the engine immediately. if the engine is requesting a Recovery regen. Its very hard to nail somebody down to give you a maintenance interval.. 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. This will only be enabled Reduce administrative overhead with automated bookkeeping that syncs with accounting programs. Engine regeneration is one new challenge related to T4F that increases downtime and can impact truck performance. 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. Second time I've had to go to a shop in 2 months for forced regen. Perhaps the most significant indicator of the necessity of a forced regen is JPROs regen zone information. 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. 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. 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. 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? 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. Well discuss both of these things in more detail below. But even a forced regen will not work if soot levels have overwhelmed the DPF. Any night it idles, the next day it needs a parked regen. The ECM then switches on an extra fuel injector that shoots fuel into the exhaust stream. The DPF Load gauge is 0 to 100 %. 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. Once the underlying issue is resolved the regen process should be again called for and be carried out. The filter removes a lot of the DPMso much so, you could place a white handkerchief over the exhaust pipe and it would stay white. These include cases where cleaning or replacing the DPF is required or an entirely different component of the aftertreatment system causes the fault. machine is parked. Deodorant on Squeaky Belt. Download free educational guides and resources. Discussion in 'Volvo Forum' started by TheDude1969, Feb 13, 2016. Fuel mileage. The operator should not inhibit regen unless Here's what those percentages mean: Above Soot Load 78%: Reset regeneration is activated by the engine ECU. It also helps you track preventive maintenance, streamline your shops operations, and run a more profitable business. screen, dont panic. See label above visor. See how we give back to the essential workers of heavy-duty repair. 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. . for anyone looking to confirm the current state of the engine and whether the The OTR Reset Tool is specific to which model and engine you have. 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. Five years ago, he made the leap from healthcare to truck repair. 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. Turf management news, events, and solutions. the intake throttle and post fuel injection to further raise the exhaust You guessed it: the diesel particulate filter is one more thing that must be tracked and maintained on a heavy-duty truck. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! to reduce the amount of fresh air coming into the engine, which increases the When it comes on, the system needs to be regenerated, whether actively or passively. DPF? What is a DPF (Diesel Particulate Filter) regeneration (regen) process and how to avoid costly road service call for that matter? We have all the same identical trucks through Penske. How does it happen? 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. 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. Symbols and 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. 6.4 HEMI Life Expectancy Consideration How Long Will It Live? 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. regeneration system, its right at your fingertips. This includes regularly cleaning the DPF, as well as making sure that proper fuel and oil quality are maintained. For a better experience, please enable JavaScript in your browser before proceeding. Soot level high regenerate dpf to prevent derate. machine downtime may result. So maybe someone can give me a better under standing of what DPF Load is in connection with DPF Soot. The value may fluctuate, and this is normal. To stop a parked regeneration, depress the brake or throttle pedal. supersnackbar, Feb 7, 2018 How to Solve the Problem? 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Jacob Findlay is the Co-Founder & Executive Chairman of Fullbay. 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. However, you may also try other solutions, such as cleaning the DPF with a special solution or using additives to reduce soot levels. 2023 The Toro Company. Excessive soot production could prevent a rolling regen from working which can be caused by poor fuel flow like from clogged filters. Get owner-operator news and insights, plus diesel prices and gear reviews delivered straight to your inbox. But over time, soot builds up in the DPF filter walls. Fortunately, Fullbay makes it easy to maintain your or your customers DPFsbut thats not all. A leaking injector allowing excessive fueling to the doser ahead of the DOC All will make that filter fail very fast. Additionally, DPF reduces engine noise, allowing diesel engines to run more quietly and efficiently. Assist regeneration uses the throttle valve Is there a trick to regen a KW? This happens with the soot level reaches a certain threshold. Nich1019. As the exhaust gasses pass through the filter, it captures somewhere between 85%-100% of diesel particulate matter (DPM). 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.