Dpf soot level high This sounds a little high to me was wanting to see what others see after a regen. If the DPF Soot Reading The Soot Level In Percent Instead Of Grams There has been a change in the values displayed in GDS 2. Jan 9, 2018 · It should try to start a rolling regen at 100 to 106% . Reading The Soot Level In Percent Instead Of Grams There has been a change in the values displayed in GDS 2. This can indicate issues with combustion efficiency, fuel quality, or aftertreatment system operation. 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. Operational factors such as frequent short trips prevent proper regeneration of the DPF. Soot Level High screen pops up while driving. Beginning with the 2017 Silverado/Sierra, the DPF Soot Accumulation is measured in percent instead of grams. When soot builds up, it impacts the efficiency of exhaust emissions control. The DPF is a device that traps and burns the soot particles from the exhaust gas, reducing the emissions and improving the fuel efficiency of the engine. Jun 3, 2012 · 2018 Pete 579, MX13, 295k miles. Much to You must fix the original fault code first, then run a de-rate disable command in your diagnostic software. Basically I'm trying to find out how many Jan 8, 2019 · Keywords DPF: Diesel Particulate Filter Bake: Process of cleaning soot out of DPF Soot Level: How much soot is calculated by the engine ECU or controllers Benefits of cleaning your DPF filters Better MPG Better Throttle Response Less frequent Regenerations (Passive) Longer DPF Life Less Downtime The DPF filter is a part of the emission system that helps trap the soot collected from your Need help with code p3797 on a 2020 Peterbilt. Mar 7, 2017 · 2014 Chevy, Express 4500 6. I checked for leaks in the exhaust and nothing in there. HCI and Differential pressure sensor are new, and working correctly. Regular maintenance, such as DPF regeneration, can help keep the soot level in check and extend the life of your diesel engine. 6l Dpf plugged up so I changed it out with a new one, Before changing the old one the soot was at 71g, with reduced power message, service regen didnt not drop the soot level. They perform the role of detecting the soot levels in the DPF by measuring pressure drops. Excess soot can also be caused by mechanical problems, so regularly changing the oil and filter can help prevent buildup. They come and go throughout the day and what it looks like is the DPF soot load is not getting above 2 SPN 3719/FMI O - GHG17 2 SPN 3719/FMI O - GHG17 Soot Level Very High Check as follows: This diagnostic trouble code is triggered when the ECU detects that the rate of change in the Diesel Particulate Filter (DPF) soot load is higher than expected. And on dash says soot level high Fault 1922 indicates high DPF soot levels triggering regen requests. Stock. When I plug into it, the only codes it shows are ones about the DPF differential pressure being high and it has one 3382 for the EGR. Nov 1, 2024 · If this sensor fails, inaccurate readings can misinform the engine control unit about soot levels. I have 2015 Paccar Mx13 Dpf filter soot level is ok but display showing soot level high codes are p1515,p3797,p3925 pls This diagnostic code is triggered when the calculated soot level in the Diesel Particulate Filter (DPF) is extremely high. What is the normal grams of soot contained in the DPF considered normal. A high soot level with a flashing DPF light indicates clogged diesel particulate filter. High soot levels after regen indicate incomplete DPF regeneration, often worsened by frequent low-speed driving. This is usually accompanied by a sputtering knock sound when the truck is running at very low boost levels, kind of like a misfire. DPF failure occurs when soot and other particulates clog a vehicle’s filter, leading to higher emissions, so regular maintenance is key to sticking to updated regulations. When looking at the data I have 0. Note: The Aftertreatment DPF Regeneration Test should not be carried out if the aftertreatment DPF soot load is indicated to be at the most severe level. Any advice on what could be the issue? Edit: I High soot levels trigger forced DPF regeneration to prevent engine derate. But after about 15-20 minutes of driving, the truck goes back into full derate due to high soot levels. Jun 12, 2016 · To confirm - I'll see regen-like parameters of the DPF surface temp climbing to mid 600 degrees C for 5-10mins, and the soot level drops down to 5-10gm, but then the soot level climbs quickly again when the DPF temp returns to normal temps (around 300 degrees). The red STOP ENGINE indicator lamp will be illuminated and an active Fault Code 1922 are indicative of the most severe level. I read up on Rawze's EGR tune up and thought about trying that. Also use this procedure if one of the following event… May 20, 2020 · High heat burns the particulate matter and turns it into ash — which means the soot filter will eventually require cleaning as a normal maintenance requirement when regeneration will no longer clear the system completely. Pretty neat, right? A high soot level warning despite clean filters suggests a faulty differential pressure sensor or clogged DPF substrate. Soot Level Some manufacturers and engines require the soot level to be above a certain percentage for a stationary/forced regeneration to occur. It applies to many makes and models of diesel vehicles equipped with a DPF. What is the grams of soot contained in the DPF to trigger active regeneration. High soot levels in the DPF can stem from a faulty fuel shut-off valve causing incomplete regeneration. 40-3. my 2 cents May 17, 2024 · If the soot level in the DPF becomes too high, it can lead to various issues, including reduced engine performance, decreased fuel economy, and even engine damage. On my 2015 6. This diagnostic trouble code indicates that there is an excessive accumulation of soot within the DPF. Understanding the causes and how to fix the problem will help you overcome it. Verify sensor connections and wiring harness integrity. The fact that regeneration is working well mean trying force a regeneration/cleaning wont make any differeance, as the ash will remain. Excessive soot buildup can impede exhaust flow and significantly impact the effectiveness of the aftertreatment system. In the past year, I got DPF, NOX sensors, temp sensors, and differential pressure sensors changed. Mar 12, 2024 · If the DPF Soot Accumulation increases to 140%, DTC P2463 (DPF Soot Accumulation) will set and a service regeneration will be required to clean the DPF. Reset DPF Soot Levels DPF soot levels have stored values in the engine control module and aftertreatment control module (ECM/ACM). MONITORED PARAMETER: DPF Zone TYPICAL ENABLING CONDITIONS: Soot sensor enabled. In this video, we’ll show you how to use the diagnostic tool to check DDC codes, assess High Soot Levels Factors that contribute to generating high levels of soot include: Charge air cooler (CAC) and Air induction system leaks. Feb 21, 2022 · A flashing Regeneration Request indicator in combination with the Stop light means the soot level in the DPF is critically high and a serious engine or DPF problem has occurred. 9 g/lt. Reset of the DPF soot level is necessary to perform after replacement or cleaning of DOC/DPF filter. It’s a wall-flow filter usually made of cordierite, silicon carbide, or a ceramic monolith. Jun 9, 2008 · I suspect that was because the DPF temps were too high during the desoot stage and the fuel simple "flash burned" as opposed to soaking into the existing soot. Turbo surging and chuffing through air cleaners suggest possible intake restrictions or boost leaks. Start by checking the DPF pressure sensors and temperature sensors for faults. 7L Power Stroke Diesel - Understanding DPF Load and DPF Soot readings - I have done some research but haven't been satisfied yet. I would expect the jump happens when the "Measured" reaches the DPF regen trigger point - here 21 grams. The Evo allows alarms on most of the parameters, I have set the Soot gram alarm to go off at 70 grams. Aug 21, 2024 · SPN 3719 is a standard J1939 diagnostic trouble code that indicates the diesel particulate filter (DPF) soot level is very high. Mar 31, 2021 · Even if the DPF was at 100%, the Soot level would go up to 3. Dec 25, 2023 · If the soot level is too high, it’s important to take action to prevent further damage to the engine. Check the sensor wiring and connections for damage or corrosion. Diesel particulate filter warning light display is a problem that is quick to trigger limp mode in a vehicle. I believed this until I pulled our Airstream (8,000 pounds with a GVCW of 17,000 pounds) from Denver to Breckenridge, which has two long and steep grades. 3 Jun 2, 2023 · The DPF pressure differential sensors are somewhere before and after the DPF. I do not believe that the DPF is actually full as it is "freshly" cleaned. However, the DPF needs to be periodically cleaned by a process called regeneration, which involves heating the What does the P2463 – DPF Soot Accumulation mean? The P2463 code refers to a specific issue related to the diesel particulate filter (DPF) in your vehicle. This makes sense as the van lives on the freeway. It doesn't seems right in my opinion or every filter ia showing different soot level? Apr 6, 2022 · By “recent,” we mean 2007; diesel trucks from that model year and onward are “blessed” with a diesel particulate filter (DPF). Says DPF soot level least severe. May 12, 2020 · Use this procedure in order to troubleshoot excessive soot in the Diesel Particulate Filter (DPF). If unable to stop quickly and park regen get a check Apr 24, 2008 · In Economy Mode 1, I watch intently, four parameters on the dash mounted screen; Soot grams in the DPF, Gear indicator, EGT at the passenger side manifold and the Boost psi. Code P3797 indicates a discrepancy in Diesel Particulate Filter (DPF) soot level sensors. These filters grab soot from your exhaust before it blows out into the environment. If the soot levels reach the limit required for regeneration, the sensors alert the ECU by sending differential pressure readings, which then trigger the regeneration system. Regeneration Types for DPF: Diesel Particulate Filters (DPFs) rely on a few methods of regeneration to get rid of the accumulated soot and keep the engine running optimally. Was the soot ratio reset at time of DPF filter replacement? Bad turbo could be causing soot build up. No passive regen. Also use this procedure if one of the following event… May 12, 2020 · Use this procedure in order to troubleshoot excessive soot in the Diesel Particulate Filter (DPF). After installing a See full list on cararac. SPN 3719 FMI 16 This code will also be related to your soot problem. So maybe someone can give me a better under standing of what DPF Load is in connection with DPF Soot. A regen fail with high soot level code indicates the diesel particulate filter (DPF) is overloaded. DESCRIPTION: Diesel Particular Filter (DPF) soot level very high. A likely/possible cause is too high differential pressure across the DPF - which is 2 days ago · I swapped the DPF and DPF differential pressure sensor and ran a regen and it came back later the next day with a 4 oz soot level. Without regular high-temperature operation, accumulated soot cannot burn off effectively, leading straight to that pesky SPN 3609 code. 200 mile regen club :help Reply Quote Like Sort by Oldest first Dmax affair 742 posts · Joined 2010 #2 ·Jan Nov 24, 2018 · After installing those filters my soot level is showing about 70% at Letter A on guage. Mar 31, 2021 · 6. This diagnostic is typically DPF Filter Soot Level Very High. I cannot explain to myself why these codes appear. BillG - does this make sense from your testing? Mar 2, 2023 · I read the codes and saw the following: 11A700 The Fill Level Of The Diesel Particulate Filter Is Too High. It says- Soot Level High: Diesel Particulate Filter 1 Soot Load Percent Data Valid But Above Normal Operating Range - Moderately Severe Level. 1 Soot G/L: 0. Oct 25, 2024 · Understanding Soot Levels and DPF in Volvo Trucks What is the Soot Level in Volvo Trucks? Imagine your truck’s engine as a tiny factory. IF THE ENGINE OIL IS ABOVE THE HASH MARKS ITS TOO MUCH! we see trucks overfilled quite often, fill to 9 qts and check the level warm is best practice. Tried to clear them but no luck. Is it normal that all these lights are on if the soot level is high? I started the regen and the engine derate went off, but still waiting for the regen to finish Kenworth T680 owners discuss issues Jun 6, 2025 · A Particulate Matter (PM) sensor may be used to measure the soot levels in the exhaust gases to monitor the amount of soot buildup in the DPF and help determine when regeneration is needed. Despite cleaning DPF, DOC, EGR cooler, and replacing the boost pressure and DPF pressure sensors, unresolved issues may stem from faulty wiring, sensor calibration errors, or incomplete regen cycles. 13AF00 The Soot Content Of The Diesel Particulate Filter Is Too High. 00 on outlet? Aug 29, 2021 · Hey guys, hope you guys are having a good Sunday. Jun 19, 2024 · Hoping somebody has experience with high-end scan tool information reading the live data stream. Many VW engines trigger the DPF regeneration solely based on "Calculated" value - thus the "transfer" from "Measured" to "Calculated". DPF soot levels determine the status of your soot level in your DPF system. This can happen if you have disregarded earlier warnings and continued to operate the vehicle with regen disabled. Feb 11, 2024 · SPN 3719 is a diagnostic code that indicates a problem with the diesel particulate filter (DPF) system in a Freightliner truck. Feb 19, 2023 · I recently changed both fuel pump units and had my dpf cans burned clean, now the truck runs very well for a few hours then (soot level high dpf regen required) I’ll pull over let it do it’s thing for 45 mins and it goes back normal. Remember , if your having high NOX problems, the truck will ask for parked Aug 20, 2025 · Using these sensors, the vehicle's ECU calculates when and how to carry out regeneration, ensuring that the DPF works correctly, helps reduce harmful emissions, and keeps the engine running efficiently. Very shortly, within 1/4 mile of an active regen completing, I noted the following: Soot %: 29. Only after this is completed can you run a regen command without the DPF regen failing. Mack usually wants us to remove pipe from turbo to DPF and do a "snap throttle" test to see if the engine smokes bad when reving it up. MONITOR SEQUENCE: Continuously EXECUTION FREQUENCY: Always enabled TYPICAL DURATION: Five seconds DASH LAMPS: SEL ENGINE REACTION: None VERIFICATION: Parked regeneration NOTE: When this code is active, driver has 2 minutes to execute the entry Sep 26, 2020 · Im trying to reset the soot level and it says completed but still shows level at 132 percent? So the truck keeps calling for a parked regen I have let it do it several times as well as did a manual with pro link but nothing changes. There are two soot level readings in GDS2. Start by inspecting the valve for proper operation and replace if needed. A restricted air filter. 8 to 1. Jan 16, 2024 · Please plot also "Soot Mass Measured" along the "Calculated". 00 inlet pressure on DPF and 95. 43 g/lt before a regen would start and then after cleaning it would show about 1. . As it works, it produces waste – that’s our soot. Jan 13, 2025 · I loaded some new PID's into Torque and am monitoring DPF soot percentage, and soot grams/liter. Exhaust system leaks that may cause inaccurate Exhaust Gas Temperature sensor or Exhaust Pressure Differential sensor values. Jul 3, 2017 · Hello, My truck is not lowering the soot level after the regen, it completes the regen as usual with the temps good but the soot level stays the same and it asks for more parked regeneration. When the DPF soot level is too high, you might notice a flashing check engine light and engine derating. If you're dealing with DPF problems, feel free to leave a Apr 18, 2023 · Fortunately, this is a silent code and triggers when the Diesel Particulate Filter Regeneration Lamp is Flashing in "Regen Zone 2. Now, picture the Diesel Particulate Filter (DPF) as the world’s tiniest garbage collector, trapping all that nasty stuff before it can escape into the air. Parked regen fails if the engine check light is on, often due to sensor faults or injector issues. I have some DPF questions hopefully one of you guys could weigh in. com Mar 12, 2024 · Things that soot load a DPF: extended idling, harsh inputs of the throttle, dirty engine air filters, overfilled engine oil. Discussion of ash accumulation in diesel particulate filters, including ash sources, ash transport to the DPF, ash properties and morphology, impact on filter flow restriction and on catalyst performance, as well as the role of lubricant chemistry and of exhaust conditions [DieselNet Technology Guide]. And same with a parked. Using a high-quality scan tool like the XTOOL D7, D7BT, D8S, or IP900S allows you to monitor soot levels, trigger regeneration safely, and keep your engine running smoothly. Jan 21, 2015 · My soot level was 44 to 45 grams when regen started when regen finished my soot grams were at 11 grams. It is important to regularly check the DPF soot level to ensure proper functioning of the filter. 7l, 37,000 miles, using FORScan Lite with gauges setup in Dash Board, Aug 26, 2016 · If I perform the regen myself, it takes about 30 minutes to complete and the soot gauge is down to <10%. If the DPF Soot Aug 20, 2003 · I read years ago that a long pull up a steep grade with high EGTs will burn the collected soot out of your diesel particulate filter. Oct 20, 2024 · To reset the soot level on a Volvo, you may need to perform a parked regeneration with a scan tool, as the soot level may not drop if the DPF DPS is not dropping or the temperature is not getting high enough. Despite cleaning and replacing the differential pressure sensor, persistent issues may stem from faulty temperature sensors or exhaust leaks affecting regen cycles. 2012 GMC Sierra 2500HD Diesel 2wd Crew Cab. 5 After driving 40 miles of mixed highway/city driving, my readings are: Soot %: 74. On vehicles equipped with a L5P engine, the ECM will not try to perform a regeneration until the DPF Soot Accumulation increases to approximately 100%. So recently in the past few weeks I have been noticing odd regen frequency. The engine control module may detect low soot while the dash shows high levels, often due to faulty differential pressure sensors or clogged DPF. Which type of Nov 29, 2016 · From what I understand the regeneration of DPF is working fine as the soot level is low, but the ash level is nearly full, and this means a new DPF soon. 4 days ago · Final Thoughts The DPF is essential for reducing harmful emissions in diesel vehicles, but it must be cleaned regularly through passive or active regeneration.