The other issue that might come up is the process of Forced DPF regeneration will not start even with Diagnostic Tool hooked up to the trucks MCM. The definitive report on the commercial vehicle repair industry. 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? I hate hate hate waiting for a regen to finish. This contamination causes unacceptable back pressure. 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. Click here to go toour blog post addressing this issue. DPF Derate and Stop engine light. 16 PB 579 w\ Paccar MX13 - JustAnswer 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. A warning light usually shows up, indicating it is time to literally burn out the accumulated soot. Provide consistent, dependable repairs and maintenance that emergency vehicles can rely on. To learn more about how we use cookies, please see our, How to Attract Diesel Technicians to Your Shop, Diesel Particulate Filter (DPF) Regen and Repair, 6 Critical Reasons You Should Have Shop Repair Software. Marketing Goes Heavy-Duty: Introducing Nick Adams & Dieselmatic. Help your shop efficiently dispatch tow trucks, track repairs, and more. machine is parked. 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. At an average of $23 per hour, employers spent an avoidable $38,433 in technician pay for these events. InfoCenter. Not sure what you could do with a snap on scanner. When the soot level in the DPF exceeds the desired level, a regeneration is required. The you need a regen light, as Mustafa calls it. You may also try to drive your car at high RPMs for a prolonged period of time, as this can help the filter regenerate and reduce soot levels. 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. A DPF is basically a filter that captures soot particles from the exhaust gases of diesel engines. Fire Truck and Ambulance Repair Shop Software. What is a DPF (Diesel Particulate Filter) regeneration (regen) process and how to avoid costly road service call for that matter? 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. Some operating conditions such as excessive idling or lugging the engine can lead to higher soot levels. 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. 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. Mechanic's Assistant: What is the complete model and serial number of your machine? By following this list, technicians can often correct the problem without the need to force a regen. 12.12.2022. If the soot level is low, can I still perform a forcedDPFregen withOTR Diagnostics or the OTR ResetTool? Check out our other blog posts. Basically, DPF as this acronym implies stands for Diesel Particulate Filter. Intervals will be shorter, too, if your foot is fairly leaden. Regardless if the forced regen occurs in the bay or on the side of the road, drivers lose precious time awaiting its completion. Soot Load DPF soot load in percent Select which engine you have for your diagnostic package. 2. And find an answer for that question. And I'm assuming you checked/changed the sensor that determines the soot mass? required by the operator unless prompted by the advisories on the screen. Mobile truck repair technician will come and hook up his Diagnostic Equipment and initiate the process of regeneration. He recommends working in conjunction with a service facility to gauge where youre at on the need to clean, a matter of gauging the level of [exhaust flow] restriction in the DPF. At 130,00 miles, he suggests, flow test the filter. Agriculture and Farming Equipment Repair Software. 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. Here's what those percentages mean: Above Soot Load 78%: Reset regeneration is activated by the engine ECU. Called Passive Regen while driving at speeds above 50 miles per hour, yes supposed to regen while driving. (DOC), which can potentially cause operational problems and may jeopardize Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device. A regen causes an engine to sustain substantial revolutions per minute (RPMs) for a considerable amount of time during the process. 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 DEF system is an after treatment after the exhaust comes out of the DPF. I don't idle over night anymore because of this BS. Diesel fuel with exhaust temperature as a result. DPF regen happens when the trapped particulates heat up enough to combust and turn to ash. Scan this QR code to download the app now. Don't 'drive through the lights' and other aftertreatment system PM Start a forced DPF regen. How does it happen? The InfoCenter will prompt the What Happens if Your Truck Can No Longer Regen? Recovery RegenUsed to start 2023 Randall-Reilly, LLC. 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). Grow your business with a premium website, pay-per-click management, and more. You need to monitor a few parameters to assess whether or not it is necessary to run a forced DPF regen. Regeneration, generally, is the process by which increased exhaust gas temperatures turn soot clogging portions of the DPF into less-clogging ash.**2. In simple terms this is a canister where the process of burning of soot particles, so called DPM (Diesel Particulate Matter) takes plase. Receive repair requests and generate service orders quickly and efficiently. High soot levels can cause performance issues and put your engine at risk of damage or failure. machine is in regen mode. What is face plugging? The value may fluctuate, and this is normal. In theory the Cordierite and silicon carbide ceramics should be able to reduce DPM by approximately 70 and 90 percent respectfully. information. for anyone looking to confirm the current state of the engine and whether the All Rights Reserved. Monitor the vehicle and surrounding area during regeneration. Eventually, your engines ECM will derate the engine by degrees, a function required by the EPA given a malfunctioning SCR system does not effect engine durability or function of the engine, he adds, to make sure the operator adheres to the emissions rules. In addition to poor regeneration and clogged filters, there are several other factors that can lead to high soot levels in a diesel car. Stay safe, stay healthy & be blessed. DPF condition: Filter has exceeded maximum capacity. 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 filter removes a lot of the DPMso much so, you could place a white handkerchief over the exhaust pipe and it would stay white. Haven't been in a kw very long. Get the latest trends and best practices in heavy-duty repair. Cycles How often should DPF Regenerations take place? the engine returns to normal operation. however, no action is required by the operator, and the machine may be operated 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. These include, but are not limited to, a clogged DPF filter, EGR fault codes, your VGT turbo operation. Engine maintenance is a higher priority than ever A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. By doing the forced DPF regen you are lowering the soot levelandkeeping your system running at peak performance. 3. Cookie Policy | In addition to regeneration, periodic DPF cleaning is required, too. DPF Soot Level High - DPF Alternatives NWA Second time I've had to go to a shop in 2 months for forced regen. 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. Well discuss both of these things in more detail below. No active changes in engine operation are involved. 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. Choosing a selection results in a full page refresh. 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. May also be used to cancel a Soot Load - DPF soot load in percent reported by engine. 1 Year as normal during this cycle. It starts solid, asking you please, Mustafa adds, then begins to blink to signal greater urgency, and your engine begins to derate, or reduce power output.**3. According to Taylor, soot builds up due to diesel fuel. We're all about creating a rewarding environment for our employees and customers. D13 Regen/soot level? - TruckersReport.com 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. Check. That's how DPF Remedy solves DPF problems starting with the first tank of treated fuel. Reset regeneration uses a combination of Press the space key then arrow keys to make a selection. Some cars may also have indicators that will let you know if there are any issues with the DPF. By accurately troubleshooting the problem, the solution should become evident. the last regen was more than 50 hours ago. 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. 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 means that a DPF cannot regenerate if the fuel level is low. Of all faults displayed on the table, none included troubleshooting steps indicating a forced regen was the recommended action. 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. 6.4 HEMI Life Expectancy Consideration How Long Will It Live? Often shortened to regen, a DPF regeneration is the act of the system burning off collected particulate matter and turning it into ash. 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. The machine must be parked during the Recovery regen cycle While expensive for truck owners, the removal of diesel particulate matter before it blows into our breathing air certainly has its benefits, and using the correct type of oil for the engine will also help prevent unnecessary wear and the problems that can come with it. . In these cases, it is important to adjust the driving style in order to ensure that the engine is running at optimal performance. Interesting problem. The machine DPF cleaned twice already. DPF condition: Filter is reaching capacity. Soot level high regenerate dpf to prevent derate. After discovering the root cause, detailed repair manuals help guide the technician down the most efficient path to repair the problem. The operator should not inhibit regen unless A professional technician can inspect the filter and determine whether it needs to be cleaned, repaired, or replaced. We examined regen zone and troubleshooting steps within JPRO and NextStep Fault Guidance to determine if JPRO gave any indication that a forced regen was a necessary action. Options in this menu include: Current State Current engine regen Mustafa's DPF warning-light breakdown **1. PDF Driver Tips For Fire And Emergency Vehicles. - Cummins No shorts, etc on the electrical lines? Be warneda new filter can cost $5,000 or more. Regeneration The DPF must be rebuilt to eliminate the soot in the engine. I guess all I am saying in here is that the broader picture at the engine systems should be taken into consideration. Get the cleaning done before it break, he adds, and youll never have an issue.. At Level 4 the driver can no longer get the DPF regeneration going, since the ECM will put the trucks engine into Derate Mode and truck will not go any faster then 20 mph, just to allow a driver to get to repair shop. This occurs when the engine is under at least 50 percent of load, often when hauling on the heavier side at highway speeds. 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. Your car performance will also suffer, and it might even emit more visible smoke from the exhaust than usual. As another example, diesel trucks that frequently climb hills should have no problem passively regenerating their DPF. Dmitry has been an editor and author at Cararac.com since 2015. These solutions are generally not as effective and may only provide temporary relief, so they should be used with caution. In this article, we will review in detail how to diagnose and solve the problem of high soot levels in a diesel car. Passive Regeneration Passive regeneration happens automatically. Privacy Policy. really mean? 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.
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