As another example, diesel trucks that frequently climb hills should have no problem passively regenerating their DPF. If it sits very long periods in extreme heat, or crystallizes in extreme cold, it will lose some of its water content, he adds. 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. Join 135,000 owner-operators who get helpful insights and important news delivered straight to their inbox with the, By providing your email, you agree to our. 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. 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. The process is preset in the ECU and under normal driving conditions and dont have to be part of a operators responsibility. The DPF soot load could be too high for a passive or active regen to occur, meaning you'll need to perform a forced DPF regen. Nich1019. the intake throttle and post fuel injection to further raise the exhaust regulations. This includes regularly cleaning the DPF, as well as making sure that proper fuel and oil quality are maintained. It is. 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. The ECM then switches on an extra fuel injector that shoots fuel into the exhaust stream. What is a DPF (Diesel Particulate Filter) regeneration (regen) process and how to avoid costly road service call for that matter? When the DPF needs to be cleaned, clean it dont jump to reman swap programs You may also have an aftertreatment fault code that is triggered when its necessary to run a forced DPF regen. Cookie Notice 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. In order for you to receive the best possible offers, please make sure your answers above are accurate prior to submitting. The TECHNICIAN Additionally, DPF reduces engine noise, allowing diesel engines to run more quietly and efficiently. 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. There are multiple reasons that may prevent a DPF regen. DPF soot levels have stored values in the engine control module and aftertreatment control module (ECM/ACM). New dpf, Still high soot levels. | Diesel Place All Rights Reserved.Privacy Policy| PO Terms & Conditions| Third Party Licensing | Warranties | Transparency in Coverage. When to start a forced DPF regen? Is your parked regen light flashing? Yanmar engines currently use five different 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. Recovery regen cycle when the cycle is running. Diesel Technician. 4. 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. 4. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. 300+ Low Soot Load level, the DPF indicator lamp will illuminate, indicating that DPF Regen is required. All rights reserved. This is common among trucks with a lighter duty cycle, because soot accumulates while idling or going slowly through traffic. We equip you with the power to perform advanced diagnostics easier and faster than ever before while over the road. 7,000+ units sold and counting. 3 Years 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. I've been slowly watching the soot level build up to the point that it is now reading 66% (only 25 hours on the tractor). High soot levels can be identified through a variety of methods. Once the underlying issue is resolved the regen process should be again called for and be carried out. Its very hard to nail somebody down to give you a maintenance interval.. 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. 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. Untilnext time! Youll also need to clean the filter if a fuel injector or turbo problem causes contamination with engine oil or non-combusted diesel. NextStep Repair Software Join the team and help us continue our mission to better life for shops and contribute to safer roads for us all. Technician as a Service, Noregon. A leaking injector allowing excessive fueling to the doser ahead of the DOC All will make that filter fail very fast. 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. Streamline your heavy-duty mobile operationeven when the team is miles apart. High air pressure is used to agitate the particles and remove them from the filter. Determine your ideal gross profit and markup percentage,. 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.
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