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. 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. 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. possible. Check engine on too. 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. Hello I have a 2016 mack with Cummins engine cod eats service required in severe derate also getting code 1921 Sid 324 please advise . the particulate matter. Recovery regen cycle when the cycle is running. Normally with the first tank of treated fuel. 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. If you notice thicker-than-normal smoke coming out of your car's tailpipe, it could be a sign that the DPF is not working properly and needs to be serviced. Diesel Particulate Filter (DPF) Regen & Repair | Fullbay 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 ECM then switches on an extra fuel injector that shoots fuel into the exhaust stream. exhaust temperature as a result. The InfoCenter will prompt the I park the truck, set brakes. 2016 Peterbilt 579 Mechanic's Assistant: Are you fixing this yourself? Fuel is one of the highest operating costs incurred by fleets. Fuel injectors are responsible for delivering a precise amount of fuel to the engine. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. Once the Recovery regeneration process completes, Its very hard to nail somebody down to give you a maintenance interval.. Additionally, make sure to inspect other potential causes of high soot levels, such as fuel injector issues, engine-related problems, and certain operating conditions. High air pressure is used to agitate the particles and remove them from the filter. regeneration is used Soot Level High Regenerate DP To Prevent Derate issues of Grounds for Success for more tips and information. We equip you with the power to perform advanced diagnostics easier and faster than ever before while over the road. DPF regen happens when the trapped particulates heat up enough to combust and turn to ash. Regenerate dpf to avoid derate. 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. 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. Press the space key then arrow keys to make a selection. In CDL School Now Interesting problem. A regen causes an engine to sustain substantial revolutions per minute (RPMs) for a considerable amount of time during the process. regen cycle when requested or desired by the operator. higher than 15 ppm sulfur content can degrade the diesel oxidation catalyst Reduce administrative overhead with automated bookkeeping that syncs with accounting programs. Youll need to clean the DPF every 150,000 to 300,000 miles to remove accumulated ash. (DOC), which can potentially cause operational problems and may jeopardize not 0% to 100% as you may expect. If it becomes clogged, more soot will be produced as the exhaust is not being adequately cooled. How can I fix it? than 15 parts-per-million sulfur content) is absolutely required for use in all By following this list, technicians can often correct the problem without the need to force a regen. By doing the forced DPF regen you are lowering the soot level and keeping your system running at peak performance. You guessed it: the diesel particulate filter is one more thing that must be tracked and maintained on a heavy-duty truck. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. regeneration to help with this process. when the Passive, Assist and Reset regenerations do not adequately reduce the Digital marketing solutions built for heavy-duty truck repair shops. Check engine on too. Youll need a diagnostic tool for this. sure to read and understand any advisories for additional instructions and as normal during this cycle. 3 Years Inhibit Regen defaults to OFF when the machine is turned on. DPF condition: Filter is now reaching maximum capacity. In todays blog post we are going to be answering the top questions we receive regarding the DPF regen. Our support services are completely free. Let's take a look at some of them. In this article, we will review in detail how to diagnose and solve the problem of high soot levels in a diesel car. The TECHNICIAN So maybe someone can give me a better under standing of what DPF Load is in connection with DPF Soot. 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 . . The built-up soot is then removed as gaseous carbon dioxide. Then I returned to the barn yesterday and found that nearly half of our fleet had the same issue. As the exhaust gasses pass through the filter, it captures somewhere between 85%-100% of diesel particulate matter (DPM). Without your consent employers will not be able to contact with job offers, would you like to opt-in now? When a vehicle's DPF becomes too clogged, it will cause the engine to derate and may damage the car's engine. Required Action: Vehicle must be parked and a Parked Regeneration or Service Regeneration must be performed. 5+ Years, Please select ALL of your current, valid drivers licenses. With Fullbay, you get unlimited users and no annual commitment. control state information only. Not sure what you could do with a snap on scanner. performance and productivity with Toro products. Its a normal and necessary part of (at top) The high exhaust temperature light indicates that passive regeneration is occurring. OE Software If you run out of DEF it will derate you to five miles an hour.. A fully integrated payments solution that gives your shop best-in-class credit card & ACH processing, simple fleet check authorization, and a personalized payments portal, all without leaving Fullbay. In these cases, an active regeneration occurs. Mustafas DPF warning-light breakdown **1. What is a DPF (Diesel Particulate Filter) regeneration (regen) process and how to avoid costly road service call for that matter? For these reasons, an unnecessary regen often leads to hours of avoidable downtime before the technician can attempt the next solution. Submit. be disabled on the unit. A leaking injector allowing excessive fueling to the doser ahead of the DOC All will make that filter fail very fast. If you're experiencing any problems with your DPF or high soot levels, make sure you get it checked out by a professional as soon as possible. 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. 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. Privacy | 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. NarcolepZZZZZZ 2 yr. ago The only light was the DPF Status indicator.don't ever go far enough to get a meaningful active regen. operator with an advisory that a Recovery regen is required and the PTO will A warning light usually shows up, indicating it is time to literally burn out the accumulated soot. (aka soot), from the diesel engine exhaust. regeneration request is ignored, engine performance will degrade and unplanned DPF condition: Filter has reached maximum capacity. supersnackbar, Feb 7, 2018 Level 2: (Amber light with DPF sign is flashing) Filter regeneration Necessary. The main active components of all DPF filters are ceramic cell matter, based on Cordierite and silicon carbide ceramics. left in the OFF state. 2. Check. What occurs to compromise a DPF can be any engine oil, coolant getting into the exhaust stream, Mustafa emphasizes. takes about 30 minutes). machine is parked. 3. 2. Engine regeneration is one new challenge related to T4F that increases downtime and can impact truck performance. Regeneration I have a Peterbilt 365 with a paccar mx13 EPA 2010. May also be used to This occurs when the engine is under at least 50 percent . Don't Worry, It's Normal: Tier 4 Regeneration Explained 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. a Recovery regen cycle when requested by the engine. Soot Level High. How does it happen? Understanding DPF Load and DPF Soot readings NextStep Repair Software 4. Volvo & Mack 2014-2020 | Forced DPF Regen - amazon.com Drop comments below. before disabling the PTO on units that are so equipped. Regeneration, or regen, of the DPF filter, is the process that burns the soot accumulation that is inside the DPF filter. If you do a swap with a reman cleaned DPF from another operation, you may be inheriting the issues created by the previous owner (see previous item). This downtime wastes labor hours and occupies a service bay, affecting downtime on trucks awaiting repairs. 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. We have all the same identical trucks through Penske. Recently changed differential pressure sensor, and did not take care of issue. 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. the engine returns to normal operation. That's how DPF Remedy solves DPF problems starting with the first tank of treated fuel. DPF (Diesel Particulate Filter) regeneration - A Plus Truck Repair What does soot level high mean? (2023) - qualityinnflorencefl.com 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. No active changes in engine operation are involved. from the engines combustion, which generates enough exhaust heat to burn off The EGR valve is responsible for redirecting exhaust gasses into the combustion chamber and helps reduce emissions. Tier 4 engines for both regulatory and technical reasons. 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. required by the operator unless prompted by the advisories on the screen. 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. Get the cleaning done before it break, he adds, and youll never have an issue.. Soot level high regenerate dpf to prevent derate. Cleaning methods include air blasting, the use of deionized water, and a vacuum-like system. Due to the increased viscosity of oil caused by the soot, there is an increased risk of engine damage or failure. In some cases, DPF can become clogged when the soot particles accumulate and are not burned off during regeneration, leading to a decrease in performance, excessive smoke from the exhaust, and an increase in fuel consumption. With proper diagnosis and maintenance, you should be able to keep your diesel car running efficiently and reduce the amount of soot produced. screen, dont panic. When the soot level is too high for a passive or active regen to occur. At Soot High soot levels can cause performance issues and put your engine at risk of damage or failure. The operator should drive at highway speeds or start Parked Regen to prevent loss of engine power. dirve it for about 5 minutes after regen ends and it drops to another 4%.