soot level high regenerate dpf to prevent derate
soot level high regenerate dpf to prevent derate
Level 2: (Amber light with DPF sign is flashing) Filter regeneration Necessary. easy-to-understand information about the regeneration processes that are needed The problem is that DPF is rather expensive, and replacing it can be a costly endeavor. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! when the Passive, Assist and Reset regenerations do not adequately reduce the Technicians and fleets should keep the following points in mind when considering a forced regen. 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. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Repeated instances can threaten driver retention rates, and fleets risk lowering their on-time delivery rates. 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. 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. High soot levels can be identified through a variety of methods. Keep customers in the loop on repair progress with simple two-way communication. Job Listing Rules. DPF condition: Filter has reached maximum capacity. regeneration system, its right at your fingertips. CDL Grad, No Experience JavaScript is disabled. 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. Do Not Sell or Share My Personal Information, 2020 miles till empty went crazy after fill up. It needs to go somewhere and be cleared out. One method is to use an automated cleaning machine, which uses a series of jets to remove soot and other contaminants from the filter. NEXAS NL102 Plus Full Systems Heavy Duty Truck Scan Tool DPF Regeneration Tool HDOBD/ EOBD/ OBD Diagnostic Scanner with Oil Reset . What is face plugging? Join the team and help us continue our mission to better life for shops and contribute to safer roads for us all. The regeneration cycle must be performed while the Diesel fuel with The machine must be parked during the Recovery regen cycle keep your Tier 4 engine performing reliably. Well discuss both of these things in more detail below. regeneration to help with this process. The operator should drive at highway speeds or start Parked Regen to prevent loss of engine power. Regeneration may happen one of three ways: passive, active, or forced. By following these manuals, technicians only force a regen when the instructions require it. Cruise off. operator with an advisory that a Recovery regen is required and the PTO will Parked/Stationary Passive, Assist and Reset regeneration are automatic methods, and However, this is not recommended for long-term use as it could cause further damage to your engine or exhaust system. Dont let a servicing technician throw a filter at it. When necessary, a filter can be replaced or serviced in order to maintain optimal performance. In addition, What They Mean 4. diesel particulate filters used on Tier 4 engines. Interesting problem. In some instances, forced regeneration is the correct action to fix the problem. Additionally, make sure to inspect other potential causes of high soot levels, such as fuel injector issues, engine-related problems, and certain operating conditions. DPF regen happens when the trapped particulates heat up enough to combust and turn to ash. In some cases, the DPF may need to be disassembled and cleaned manually. Fullbays leading technology integrates seamlessly with other industry tools. Burning the soot out of the filter is called regeneration. I hope this blog post helps clear upmore of your forced DPF regen questions. 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. 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. Due to the increased viscosity of oil caused by the soot, there is an increased risk of engine damage or failure. Easily send estimates to customers and receive electronic approvals before starting work. I'm guessing miles are in the 3-400k? When to start a forced DPF regen? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. How to Solve the Problem? 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. issues of Grounds for Success for more tips and information. Soot Level High. Regular maintenance is essential for the proper functioning of any DPF, as it can prevent costly repairs and ensure that the vehicle is running efficiently. The last regen started at 509 miles. 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. Stay safe, stay healthy & be blessed. 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. In order for this to go away it will need to be reset with a pc or capable scan tool. (at top) The high exhaust temperature light indicates that passive regeneration is occurring. I have a 2012 w/540,000miles. DPF? Learn how these two shop owners handle marketing, recruiting, and interviewing. 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. DPF maintenance is relatively straightforward. successful Reset, Parked or Recovery regen cycle. 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. Cycles Diesel cars produce soot or particulate matter (PM) due to their combustion cycle. This contamination causes unacceptable back pressure. Timewise, weve generally found that cleaning a DPF is a quick enough processit can usually be accommodated during an oil change. 6.4 HEMI Life Expectancy Consideration How Long Will It Live? The engine controller reports the DPF soot load as a value from 0% to 250% 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. 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. dirve it for about 5 minutes after regen ends and it drops to another 4%. The substantial heat required for the regen renders the engine and aftertreatment system untouchable until it has time to cool down. Another thing to keep in mind is that the gauge on the dash is a calculation and can sometimes be inaccurate. In order to keep your diesel car running efficiently, it is important to maintain the DPF and ensure that it is in optimal condition. Required Action: Vehicle must be Parked and Regeneration must be performed engine will begin derate. The DPF Load gauge is 0 to 100 %. The OTR Reset Tool is specific to which model and engine you have. A technician should not have to guess that a forced regen will correct an issue. Required action: Bring vehicle tog highway speeds to allow for an Automatic Regeneration. By accurately troubleshooting the problem, the solution should become evident. At Soot The Fora platform includes forum software by XenForo. The process is preset in the ECU and under normal driving conditions and dont have to be part of a operators responsibility. Provide consistent, dependable repairs and maintenance that emergency vehicles can rely on. Let's take a look at some of them. If the DPF soot level is too high, the engine computer program will not allow the system to regenerate. You need to monitor your. But even a forced regen will not work if soot levels have overwhelmed the DPF. Tell us the story behind the truck and your business to help build its story. As a side note, newer engines allow for different methods of regeneration, even while parked or in neutral. Since I have been monitoring the gauges, the DPF Load has never gone below 30% after a cleaning. 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. When the soot level in the DPF exceeds the desired level, a regeneration is required. 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. Engine maintenance is a higher priority than ever The value may fluctuate, and this is normal. Less soot = Less need for DPF regeneration. Level 2: (Amber light with DPF sign is flashing) Filter regeneration Necessary. DPF showing 90% full should I force regen. I can tell you that working on the big trucks when replacing or cleaning a dpf I had to reset the soot level with my laptop. Technician as a Service, Noregon. 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. 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 built-up soot is then removed as gaseous carbon dioxide. Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device. This downtime wastes labor hours and occupies a service bay, affecting downtime on trucks awaiting repairs. 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. the last regen was more than 50 hours ago. Its very hard to nail somebody down to give you a maintenance interval.. Shop Owner Roundtable: Featuring IE Fleet Maintenance and OnSite Truck and Equipment Repair. I have a Peterbilt 365 with a paccar mx13 EPA 2010. High air pressure is used to agitate the particles and remove them from the filter. New comments cannot be posted and votes cannot be cast. Manage parts across multiple locations and easily order from vendors. Today Fullbay is the number one fleet repair platform in North America. Youll need to clean the DPF every 150,000 to 300,000 miles to remove accumulated ash. 118 Satisfied Customers. The engine controller reports the DPF soot load as a value from 0% to 250% not 0% to 100% as you may expect. At Soot Load 100%: Parked regeneration Parked/Stationary and Recovery regeneration are manual methods. sure to read and understand any advisories for additional instructions and normal. 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. Regeneration, generally, is the process by which increased exhaust gas temperatures turn soot clogging portions of the DPF into less-clogging ash.**2. 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. Subscribe for updates! I give my express consent authorizing TruckersReport and its. Driving short distances without allowing the engine to warm up properly can also lead to higher soot levels. 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. See label above visor. Any night it idles, the next day it needs a parked regen. FORScan and others do not seem to give "accurate" readings in relation to what Ford has programmed the ECU/PCM. really mean? Jacob Findlay is the Co-Founder & Executive Chairman of Fullbay. Tickets for Diesel Connect are now sold out! Heres what those percentages mean: Above Soot Load 78%: Reset regeneration A DPF system relies on many sensors working correctly. The most common way is to use a diagnostic tool that can measure particulate matter (PM) levels in the exhaust. Tell-tale symptoms of a successful (or unsuccessful) forced DPF regeneration. 7,000+ units sold and counting. Recently changed differential pressure sensor, and did not take care of issue. 3. Some cars may also have indicators that will let you know if there are any issues with the DPF. 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. If a Like this content? Anybody have the factory dpf gauge and run an aftermarket gauge too? Nich1019. Under these conditions, soot burns off as fast as it is generated! Recently changed differential pressure sensor, and did not take care of issue. Called Passive Regen while driving at speeds above 50 miles per hour, yes supposed to regen while driving. On average, it takes between thirty and sixty minutes to complete a forced regeneration. * 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. Is there a trick to regen a KW? a Recovery regen cycle when requested by the engine. 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. 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?
