The tractor comes with a soot level indicator on the display, and an automatic exhaust filer cleaning system. It's also important that you follow the manufacturer's recommended maintenance schedule for your car. 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). 6-11 Months control state information only. 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 value may fluctuate, and this is normal. 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. You Have The Right to Repair This TruckOr Do You? Join the team and help us continue our mission to better life for shops and contribute to safer roads for us all. The OTR Reset Tool is specific to which model and engine you have. Check to make sure the right line was on the correct port? 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. A DPF is basically a filter that captures soot particles from the exhaust gases of diesel engines. You guessed it: the diesel particulate filter is one more thing that must be tracked and maintained on a heavy-duty truck. Fire Truck and Ambulance Repair Shop Software. 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. Soot level high regenerate dpf to prevent derate. How does it happen? 118 Satisfied Customers. 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. Another way to determine whether your car has an issue with its DPF is to look for signs of excessive smoke from the exhaust. required by the operator unless prompted by the advisories on the screen. how often you should run a forced DPF regen, Perform a forced DPF regen every 2-3 weeks. 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. I have a Peterbilt 365 with a paccar mx13 EPA 2010. The built-up soot is then removed as gaseous carbon dioxide.Regeneration may happen one of three ways: passive, active, or forced. High air pressure is used to agitate the particles and remove them from the filter. * 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. 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. 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. The value may fluctuate, and this is 5.12.2022 . Although, PACCAR motors were notorious for emissions problems years ago, so it depends on how old the truck is. Another thing to keep in mind is that the gauge on the dash is a calculation and can sometimes be inaccurate. The value may fluctuate, and this is normal. when the Passive, Assist and Reset regenerations do not adequately reduce the 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. exhaust temperature as a result. This contamination causes unacceptable back pressure. We're all about creating a rewarding environment for our employees and customers. In order to keep your diesel car running efficiently, it is important to maintain the DPF and ensure that it is in optimal condition. 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? Less soot = Less need for DPF regeneration. possible. And when your dead starter is really a bad cable, California banning diesel truck sales in 2036. Hello I have a 2016 mack with Cummins engine cod eats service required in severe derate also getting code 1921 Sid 324 please advise . level of DPF cleaning. Applying this logic to all instances of a single active fault on the Cummins ISX15 EPA13, we discovered 903 necessary regens and 1114 unnecessary regens. Is there a trick to regen a KW? Normally with the first tank of treated fuel. 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. 10 EVs with Best Range in 2023 - Suitable for Interstate? Here's what those percentages mean: Above Soot Load 78%: Reset regeneration is activated by the engine ECU. Soot level high regenerate dpf to prevent derate. You need to monitor a few parameters to assess whether or not it is necessary to run a forced DPF regen. 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. Many of our clients have seen daily regens go to weekly or monthly regens. Scan this QR code to download the app now. The engine controller reports the DPF soot load as a value from 0% to 250% On average, it takes between thirty and sixty minutes to complete a forced regeneration. DPF cleaned twice already. This is Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. See how we give back to the essential workers of heavy-duty repair. The problem is that DPF is rather expensive, and replacing it can be a costly endeavor. 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. Under these conditions, soot burns off as fast as it is generated! The stop engine light (red) [Ominously] engine damage is probable, Mustafa quotes the Cummins manual, he says.Mustafa was speaking at the Expedite Expo Friday, July 14. engine performance. It needs to go somewhere and be cleared out. 1 Year The operator should not inhibit regen unless At Soot Load 100%: Parked regeneration is requested by the engine ECU. regeneration request is ignored, engine performance will degrade and unplanned dirve it for about 5 minutes after regen ends and it drops to another 4%. reported by engine. 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. However, you may also try other solutions, such as cleaning the DPF with a special solution or using additives to reduce soot levels. Thermal cleaning doesnt remove anything, but makes it easier to do the pneumatic [air] cleaning. (aka soot), from the diesel engine exhaust. Remember the tips provided in this document and you will help fleets and service bays operate more efficiently. DPF showing 90% full should I force regen. It works by trapping the harmful particles as they pass through it and then breaking them down into harmless components during the regeneration process. After discovering the root cause, detailed repair manuals help guide the technician down the most efficient path to repair the problem. I guess all I am saying in here is that the broader picture at the engine systems should be taken into consideration. Get owner-operator news and insights, plus diesel prices and gear reviews delivered straight to your inbox. In some instances, forced regeneration is the correct action to fix the problem. If any unsafe condition occurs, shut off the engine immediately. Level 1: (Amber light with DPF sign is solid) Filter Regeneration Recommended. 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. temperature to burn off the particulate matter. Like most filters, a DPF has a finite lifespan and requires cleaning to remain effective and, eventually, replacing. Passive regeneration happens frequently in long-haul trucking because it requires continuous driving where the DPF can hit a temperature above 1,000 degrees Fahrenheit to create the heat levels that turn soot into ash. In addition, A regen causes an engine to sustain substantial revolutions per minute (RPMs) for a considerable amount of time during the process. According to Taylor, soot builds up due to diesel fuel. Check engine on too. At Soot Reset regeneration uses a combination of Parked Regen Used to start a Parked If you want to know more about whats happening with your machines engine Provide the fast, reliable service that customers wantwith more profit and less headache. Of all faults displayed on the table, none included troubleshooting steps indicating a forced regen was the recommended action. Its a normal and necessary part of For drivers engaged primarily in long-haul, with plenty of on-road time at greater than 50 percent of load on the engine, it might go as high as 200,000 to 225,000 miles before any need to shop-test the filter, Mustafa says. Regenerations are essential functions for trucks and the environment. the intake throttle and post fuel injection to further raise the exhaust Manage parts across multiple locations and easily order from vendors. Using engine oils other than 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. is requested by the engine ECU. part of a continuing series of how to articles to help you maximize from the engines combustion, which generates enough exhaust heat to burn off 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. Cookie Notice Shop Owner Roundtable: Featuring IE Fleet Maintenance and OnSite Truck and Equipment Repair. 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. Once the DPF is regenerated, the engine will automatically return to the normal idle speed. Monitor the vehicle and surrounding area during regeneration. 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. regen is required, and the operator should perform this process as soon as These include cases where cleaning or replacing the DPF is required or an entirely different component of the aftertreatment system causes the fault. Privacy Policy. 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. 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. You need to monitor your. I don't idle over night anymore because of this BS. The following InfoCenter icons are designed to provide quick, A warning light usually shows up, indicating it is time to literally burn out the accumulated soot. So maybe someone can give me a better under standing of what DPF Load is in connection with DPF Soot. Excessive soot production could prevent a rolling regen from working which can be caused by poor fuel flow like from clogged filters. Load 122%: Recovery regeneration is requested by the engine ECU. Often shortened to regen, a DPF regeneration is the act of the system burning off collected particulate matter and turning it into ash. As a side note, newer engines allow for different methods of regeneration, even while parked or in neutral. The last regen started at 509 miles. 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. Once the exhaust temperature reaches a certain pointwe like to use the example of driving at high speedsthe built-up matter in the DPF turns to ash. CJ-4 Stay safe, stay healthy & be blessed. When the aftertreatment system in your heavy-duty fleet is working effectively, a regeneration of the DPF will occur while the truck is in transit. Check engine operators manual for details engine will shut down. 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. machines engine. In CDL School Now When the soot level is too high for a passive or active regen to occur. In theory the Cordierite and silicon carbide ceramics should be able to reduce DPM by approximately 70 and 90 percent respectfully. Drop comments below. Nich1019. regeneration is used Level 2: (Amber light with DPF sign is flashing) Filter regeneration Necessary. I'm guessing miles are in the 3-400k? Making sure the truck is on a regular preventive maintenance program will help ensure the long life of the DPF, as will regularly replacing air filters and fuel filters. Still, in others, the DPF may need cleaning or replacing, and its important for technicians to perform the correct action. A technician should not have to guess that a forced regen will correct an issue. 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. The DPF Soot gauge before last regen was at 3.0 g/l and dropped to 1.53 g/l after regen. JavaScript is disabled. 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. The DEF system is an after treatment after the exhaust comes out of the DPF. This downtime wastes labor hours and occupies a service bay, affecting downtime on trucks awaiting repairs. Not sure what you could do with a snap on scanner. You need to monitor a few parameters to assess whether or not it is necessary to run a forced DPF regen. 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. Recovery regeneration is the most advanced Required action: Bring vehicle tog highway speeds to allow for an Automatic Regeneration. 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. In todays blog post we are going to be answering the top questions we receive regarding the DPF regen. Fuel injectors are responsible for delivering a precise amount of fuel to the engine. (Video) Soot Sensor Operation and Information (TheDieseler) How do I lower soot level? Additional OBFCT s may be required to reduce soot load and turn off the DPF lamp. I'm wondering if you drove the truck thru the new dpf regen cycle if the ECM would do the reset automatically? By doing the forced DPF regen you are lowering the soot levelandkeeping your system running at peak performance. Some cars may also have indicators that will let you know if there are any issues with the DPF. Do it again at next service interval, then if OK at the one after that. Youll also need to clean the filter if a fuel injector or turbo problem causes contamination with engine oil or non-combusted diesel. Start a forced DPF regen. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Helps fleet managers maximize efficiency and extend asset lifespan. DPF Soot Load is at an elevated level (7+), perform 1 additional OBFCT. the last regen was more than 50 hours ago. Mobile truck repair technician will come and hook up his Diagnostic Equipment and initiate the process of regeneration. Learn how these two shop owners handle marketing, recruiting, and interviewing. and the process can take up to 90 minutes. The machine must be parked during the Recovery regen cycle 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. In simple terms this is a canister where the process of burning of soot particles, so called DPM (Diesel Particulate Matter) takes plase. (at top) The high exhaust temperature light indicates that passive regeneration is occurring. I haven't used them. The most common way is to use a diagnostic tool that can measure particulate matter (PM) levels in the exhaust. This occurs when the engine is under at least 50 percent of load, often when hauling on the heavier side at highway speeds. It went to 127% before regen. Deodorant on Squeaky Belt. 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). How long should a forced DPF regeneration last? Passive Regeneration Passive regeneration happens automatically. 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. Upon opening the feature, users view a checklist of items to inspect visually. A Plus Truck Repair Roadside services for Commercial Vehicle Sacramento. Depending on the severity of the contamination, this process can take several hours, so it's important to make sure you have the right tools and expertise before attempting it. 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. DPF condition: Filter has reached maximum capacity. It works by trapping the harmful particles as they pass through it and then breaking them down into harmless components during the regeneration process. cancel a Parked regen cycle when the cycle is running. There are several methods for clearing out the clogged DPF out there on the market, but they are all costly and labor intense. When the soot level in the DPF exceeds the desired level, a regeneration is required. successful Reset, Parked or Recovery regen cycle. Using the right types of diesel fuel and engine oil is also critical to 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. Soot Load - DPF soot load in percent reported by engine. A reman filter is only as good as how well the person prior to you serviced their vehicle, Mustafa says. (DOC), which can potentially cause operational problems and may jeopardize keep your Tier 4 engine performing reliably. displayed recommending running your engine at full throttle during a Reset 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. Recovery regen cycle when the cycle is running. 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 .
soot level high regenerate dpf to prevent derate
soot level high regenerate dpf to prevent derate
soot level high regenerate dpf to prevent derate