How long does it take for a truck to regen

When the truck automatically does a DPF regen, it is known as active DPF regen. When the soot level reaches a specific level, the active process to burn the soot off begins. ... How long does Duramax Regen last? lights turned on, and it was as if they were ticking away like a clock. After 45 minutes, the idle returns to its regular burble. You ...

How long does it take for a truck to regen. A regen cycle on a Mack truck usually lasts between 20 to 60 minutes. This process is vital for clearing out soot accumulated in the diesel particulate filter (DPF). The duration can vary based on several factors, including the truck's load, engine condition, and operational patterns. Credit: TurboChaos.

Once the truck is in regen the DPF SL will go to 100% as well and will slowly back down to 0%. The whole time I am in regen DPF RG stays at 100%. Once DPF SL gets to 0% the regen stops and both DPF SL and DPF RG go to 0% (or close to it). I like having both points up on my iDash as having an indication of how long until the regen is over is ...

Regeneration will happen automatically at maximum intervals of 500miles wether your truck needs regeneration or not. It will also happen when you hit 100%. While active regeneration is in progress, you will notice white ash which looks like smoke coming out of your tail pipe. This is normal.When this happens, a driver has to pull over and initiate a self-cleaning process that can take up to 40 minutes — valuable time that could have been spent on the road. But forced regens don’t ...If the regen won't finish you'll need to connect with diagnostic software to find out why. In extreme cold weather it may take up to 2 hours, but it should never really take longer than that. Turn truck back on after a minute but it's just idle if Soot Level High still on dash.The regen can be started by the engine computer during driving but sometimes it isn't enough possibly because of start and stop driving in the city or oil and fuel over the normal level causing a blockage. If the diesel engine is using oil or has faulty fuel injectors the DPF won't take long to have an abnormal restriction.If your Mack truck needs regening, it is important to know how long it takes. This process is necessary to reduce emissions and conserve fuel. It can take 20-60 minutes to complete. It is important to keep the engine cool during the regen process. A warm engine can lead to other problems, such as malfunction.450 posts · Joined 2020. #3 · Nov 2, 2021. There are some general auto shops that have scanners and programmers that can do the manual regen. Call around and ask. We do them all the time since dealerships are either weeks out, or want some type of ridiculous charge. 2006 2500 HD Big Horn, EFI Live, 5" straight pipe, AFE, Bilstein's, Carli's ...August 24, 2022. Read Time: 5 Minute, 3 Second. If you own a diesel truck, you’ve probably noticed that it needs to regenerate quite frequently. If you don’t understand why this is happening, it can be frustrating. A …

The frequency is determined by the duty cycle and the amount of soot collected – it may be once a day or every other day. Active regeneration can take up to a half-hour or longer. After an active regeneration has begun, if you slow down or stop the car, the regeneration may be interrupted, and you may have to restart it.There are many possible issues that could lead to your car battery taking a long time to charge. Depending on the age of your battery, the capacity and construction of the charger and the charging technique used, it may take a few hours to reach a complete charge. However, always be prepared to leave the charger on overnight in case it takes ...So for that system to operate functionally the T2 and T3 temps must be at 825 min. Your temps are normal and go along with when the injector is replaced. The temps always vary after the injector, ahi module, and adaptive factor is reset as the ecm is relearning how much fuel it needs to dose to maintain and build temp.Sep 2, 2022 · Depending on the type of regen, the amount of buildup, and the engine type, truck regenerations can last anywhere between 20 and 60 minutes. You should plan on waiting for this amount of time if you’ve been putting off regen for a while because soot buildup has only increased. It will probably happen much faster if you engage in passive regen ... Nov 14, 2022 · The following is a step-by-step guide on performing a regeneration using the manual regen switch on your 6.7 Cummins. Find an appropriate parking space, and engage the parking brakes. Place the transmission pedal in NEUTRAL or PARK. The manual regeneration should take between 45 and 60 minutes to complete. 2017+ Super Duty - DPF Manual Regeneration - Hi, I just bought a 2022 F350 with the 6.7L Powerstroke Diesel. I paid an extra $250 to get the manual regeneration feature for the DPF. I didn't realize in order to do a manual regen the truck has to be stationary, otherwise I wouldn't have paid for the option.I had scr efficiancey loop high. Changed outlet nox sensor and fixed that. I noticed 0 volts on thedpf presuure voltage output Cant find sensor to change I changed the doser fuel injector as well I see the inlet press sensor I have no active codes to. Truck will not reach 1150 on the regen my codes are 521049 521050 521052 active and 520372 scr closed loop control at maximium linit confermed ...

In addition, some operators may not want to perform the time-consuming regeneration at the end of a long work day. Instead, they drive the truck home — even if engine power has been de-rated, limiting truck performance and speed. Because of these issues, the DPF warning light may be ignored or simply missed when the operator is working ...Apr 4, 2024 · DPF regeneration is the process that cleans the DPF. DPFs are designed using a ceramic honeycomb structure that traps and stores particulate matter from the exhaust into microscopic pores. After a while, these pores fill up, making them less effective in capturing debris. This cutaway diagram of General Motors' 2005 Sequel hydrogen fuel cell concept car showcases its regenerative brake system. (Image/GM) When battery electric vehicles (BEVs) and hybrid electric cars started really showing up in the early part of the 21st century, they brought with them a term that many gearheads weren't familiar with: regenerative braking.About OTR Diagnostics. 3 Indicators of a successful forced DPF regen. First, as a general rule of thumb, a forced DPF regen should last approximately 45 minutes.Kennedy Diesel-owner More than just a salesman-I use and test the products that I sell on a daily basis! Superflow Lie Detector in house 2002 Chev K2500HD D/A CC Long LT 11.77@ 124mph at 7700# fuel only-e.t. needs help 2005 Chev K3500SRW D/A CC Long LT(SOLD) 2007 Chev K2500 Classic EC Short LT (Sold) 2012 GMC K3500SRW D/A CC Long LTZ Kennedy Custom tuned 20+mpg and 700+ mile regen cycle with ... A diesel particulate filter (DPF) is a filter that captures and stores exhaust soot (some refer to them as soot traps) in order to reduce harmful emissions from diesel cars. But because they only have a finite capacity, this trapped soot periodically has to be emptied or 'burned off' to regenerate the DPF.

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But lately I have been noticing my truck going into regeneration very often. For the past few days I have ducumented the the miles between regeneration. The longest distance between regens was 188 miles, while the shortest was 121 miles. ... Thats is about 7-8 miles long staying above 900°. so I'm pretty sure it took care of my next regen with ...Jan 1, 2022 · Many diesel truck owners, both new and experienced, want to know the answer: How long does DPF regeneration take? DPF regeneration, depending on how much soot has accumulated in the filter, can take between 30 and 45 minutes. It will take between 5-10 minutes to complete. It can be a problem if the journey is too short or the regeneration does ... The truck keeps dinging at me like the keys are in the ignition and the door is open, but it's not. I am sure that's part of the regen notification. I am not sitting in front of a store that I need to go into but I am not going to shut the truck off during the regen. Regen started at 10:40 and it is now 11:10. 30 minutes and who knows how much ...The 12 best IHG beach hotels to stay at. With 18 different brands in its portfolio, IHG Hotels & Resorts is one of the world’s largest hotel chains. As you'd imagine, they have a w...The 3216 will definitely keep the vehicle from doing the regen. Check the vehicle for face plugging by removing the exhaust pipe at the DPF and at the SCR. Make sure the screens are not plugged up for they can cause this code to show. Otherwise, check the turbo to make sure it isn't slinging oil into the exhaust.7189 posts · Joined 2014. #9 · Jul 13, 2014. It's been changed and updated a few times since DPF's became more common. Originally a regen was said to take no more than 15mins. That's now about 25mins but may take more. A regen can happen as long as the engine speed is above 2000rpm but closer to 3000 is preferred.

We have the clear and easy instructions listed below to help you avoid an unneeded call to our 24/7 Roadside Assistance Team and get you back on the road quickly. The parked regen, sometimes called a DPF Regeneration, is a self-cleaning process that occurs when soot builds up inside the Diesel Particulate Filter (DPF).I control when my truck regens with the OCR feature on my truck. Most times I will take off and let it complete a full active regen around 95%, however a few times I have waited until the truck told me that the filter was full. Every time I have completed a regen my truck has read 0% My truck is a 22.Do you need to perform a parked regen on your 2021 Freightliner Cascadia? Watch this video to learn how to do it step by step, with clear instructions and tips. You will also find out why regen is ...Page 3 of 5 . tissue just under the skin (subcutaneous injections). Your healthcare provider will determine the most appropriate way for you to be given REGEN-COV.Apr 4, 2024 · DPF regeneration is the process that cleans the DPF. DPFs are designed using a ceramic honeycomb structure that traps and stores particulate matter from the exhaust into microscopic pores. After a while, these pores fill up, making them less effective in capturing debris. How long do I have to drive to fully charge the battery? but on local roads. Sometimes I don't drive for 2,3 weeks then when I do drive it it's usually 3,4 hours but on local roads. Will 2,3 hours of local roads long enough to fully charge it? and is this correct, 12.6V is a fully charged battery, 12.3 is half full?The process can take up to 30 minutes to complete. The time that it takes for a truck to regen can vary depending on several factors. Some of the factors that can influence regen time include the following: 1. Driving Conditions. The type of driving conditions that you encounter can influence the regen time.Any of the aftermarket monitor’s will have no bearing on what the truck does. And since I have enabled Auto Regen at both, 100% and even at 0% and it’s taken the same amount of time for the regen to stop, so I feel like it is mileage or time based. Also, the trucks DPF% always resets back to 0% after letting the regen complete.2020 2500 SO frequent DPF regenerations. Over the past 6 weeks, my 2020 Ram 2500 tradesman Cummins standard output engine is going into Regen every 30-60 miles. Truck has been to the dealer several times. They have replaced air filter, ccv, done the CP4 to CP3 pump swap, serviced the DEF system, etc. Truck has 34k miles, this started happening ...Other factors can also contribute to frequent regens. Dirty air filters, clogged fuel filters, and faulty sensors can all cause the engine to run inefficiently and produce more soot, leading to more frequent regens. It’s important to keep up with regular maintenance to avoid these issues and keep your truck running smoothly.

To do a passive regen, take the following steps: Turn on the truck, shift it to neutral, and put on the parking brake. Set a timer for 3-4 minutes and let the engine idle. The most important thing to make sure of is that the truck is not in the "Power-take-off" mode. From this point, you quickly do three things one after the other.

With the VGT turbos on a Cummins they close them to about 89% to increase exhaust back pressure, which increases load on the engine, which increases exhaust heat. 1100 is fast enough. Regens can last up to 2.5 hours with an ISX. 40 mins is about average. Keep track as best you can how long they are taking.None of the dmaxes have an indicator. (GM intended it to be a non-event) The 'keep driving' message only occurs after multiple unsuccessful regen attempts. Most will never see that message. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY.A diesel particulate filter regeneration or DPF regen is the process of burning the accumulated soot from the face of the DPF. This helps to prevent clogging. Your Volvo truck could regenerate in two cycles, passive or active. Passive regen is the most common cycle. This happens when the truck is in motion.To make sure your Mack truck’s engine is operating at optimal levels, you may need to have the regen system cleaned by a certified technician. This process can take between 20 and 60 minutes and involves adding fuel to the engine’s exhaust system. While the regeneration process is taking place, you will notice a whistling sound. This is normal.How does an aftertreatment system work? The harmful emission gases in the exhaust stream move from the exhaust side of the turbo to the aftertreatment system (outlined in red). The Cummins Particulate Filter contains the Diesel Particulate Filter (DPF) which collects and oxidizes carbon to remove particulate matter (PM) by more than 90%; the ...Truck dispatchers are responsible for managing the daily operations of trucking companies. They are responsible for coordinating the movement of trucks and drivers, ensuring that s...depends whether or not you are in passive regen, usually though like everyone says around 20 minutes depending, P.s remove the DPF and put a 4 1/2 inch turbo back you wont be sorry plus no more regen, better mileage lower eg temps I love ittttttttt. 2015 3500 CC/SB LTZ 4x4 Z71.It sounds like regens can [normally] range anywhere from 200 to 500 miles. I put the soot gauge at the lower right side of the first screen. When it gets around 2.60-2.70 it'll go into regen. But something to consider, the soot number will change both up and down depending on your driving.The truck with 80,000 miles went out today, first thing this morning it was asking for a manual regen,7:30 am, the driver hit the button, let it go, regen ended after about 20 minutes, the bars were back down to zero, by noon it was up to 5 bars and asking for a regen again

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When the aftertreatment system is working effectively and the vehicle has met the necessary conditions, a regeneration occurs while the truck is in transit.. 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.Trucks. The length of time a truck takes to regenerate is largely dependent on how much soot is in the engine and how often it stops and starts. It may take 20 minutes or as long as 40 minutes depending on the type of regen, the amount of buildup, and the engine. The longer it takes to regen, the more serious the problem may be.1967 Mercury Meteor Rideau 500. 2003 Dodge Ram 2500 395,000kms (that has not seen the inside of a garage for motor work) 2005 Ford SuperDuty 6.0 125k Kms <<-- gone. 2008 Ford F450 6.4 55k Kms Dynamic Wrecker.May 27, 2013 · Mine did a short one at around 250 miles, then a full regen at around 525, another at around 1000, again at 1500. I had my instant mpg screen up is how I knew, the truck went to 11 mpg hwy and stayed there for about 15 miles. Regens are much less frequent than they were on my 2010. 2014 Ram 3500 DRW 6.7 Cummins Aisin, Laramie 4X4. 2017+ Super Duty - Figured out how to tell when the truck is doing a regen - Fueled up and headed for home with 620 miles DTE. Going down the road at 60-65 and noticed the truck was in 9th but wouldn't go into 10th. It will go into 10th as slow as 50-55 so I thought that was weird. Then noticed the truck was running a...restoration passion Discussion starter. 91 posts · Joined 2020. #3 · Dec 5, 2020. the overhead consol showed yesterday 80% needs regen today it now at 100 and has reduced the power says bring to dealer wondering if theirs a way to do it myselfs dont have accses to code reader at the minite. Like. A diesel particulate filter (DPF) is a filter that captures and stores exhaust soot (some refer to them as soot traps) in order to reduce harmful emissions from diesel cars. But because they only have a finite capacity, this trapped soot periodically has to be emptied or 'burned off' to regenerate the DPF. How Long Does A Regen Take On A Mack Truck? A regen cycle on a Mack truck usually lasts between 20 to 60 minutes. This process is vital for clearing out soot accumulated in the diesel particulate filter (DPF). The duration can vary based on several factors, including the truck’s load, engine condition, and operational patterns. ….

The process of parked regeneration is mandatory for 2010 EPA-compliant international trucks. Although much of the regen process occurs automatically, drivers must be careful to not damage the vehicle by driving too slowly. If parked regen does not begin, check the active fault codes for the truck's engine and reset the system.Press the ESC button to access the main menu. Press the UP/DOWN button on the end of the stalk until you find the "Aftertreatment" menu and press the ↳ button. Scroll using the UP/DOWN button until you find "REQUEST PARKED REGEN" and press the ↳ button. Once the parked regen is completed, the RPMs will come down and and the "REGEN ...My Volvo D13/ 2008 is running aprox 1-2 regen/week, every 2000-2500 miles and doen't last more than 20-22 min. I never do parked regen. When I got the truck new in july 2007,(2008 model) used to do it every day, but after some Volvo software updates works a …Food truck insurance costs typically start at around $3,000 yearly and cover many basic risks you may face daily. Learn more in our guide. Insurance | Ultimate Guide WRITTEN BY: Na...Do you need to perform a parked regen on your 2021 Freightliner Cascadia? Watch this video to learn how to do it step by step, with clear instructions and tips. You will also find out why regen is ...With this charging method, you recoup only 3 to 5 miles of driving range per hour. That means it can take 5 hours or more to charge a PHEV. The charging time for a fully electric vehicle can run as long as 30 to 50 hours or more. Here are some Level 1 charging times for popular EVs and plug-in hybrids: Powertrain.A 30 gal. tank just doesn't get it in this truck. I usually regen once every 1-1 1/2 tankfuls in town and get about 12.2 mpg in stop and go. Truck now has 5,000 miles on it with out any problem until it threw a code for the EGR valve position yesterday. Will take it into the dealer on Tuesday.How frequently should a diesel truck undergo regeneration? The frequency of regeneration for a diesel truck varies based on usage patterns and load conditions. It can range from every 100 to 600 miles, but the exact interval depends on the vehicle’s design and driving conditions. How long does it take for a truck to regen, My First Manual Regen. I'm getting ready for a 250 mile tow trip and wanted to measure fuel mileage, but went out to dinner tonight and %DPF Full was at 80% so I wanted that regen out of the way. About a mile or so before returning home, DPF went to full and a regen started. The wife didn't feel like a joy ride and I remembered the manual regen., To perform a parked regen, follow the manufacturer's instructions and turn on the vehicle's parking brake. Then, initiate the regen process by pressing the appropriate button on the dashboard or accessing the regen option through the vehicle's computer system. A parked regen is an essential maintenance task for diesel engine vehicles ..., 6.4L Power Stroke Diesel - How long does Regen take - Hey all, When my dash says cleaning exhaust filter it only stays on for a minute at most. Is this normal. I was under the impression that the regen process takes longer. My truck is running great its an 2010 with about 3500mi. This is my first diesel and im trying..., I know the 2nd photo isn't the same engine, but still has a message that's related to regen. I don't drive the truck very far, or really much at all, and as I said, 2 of the 3 times I've seen it regen, they …, page 1 of 5 . fact sheet for patients, parents and caregivers. emergency use authorization (eua) of regen-cov. tm (casirivimab and imdevimab) for coronavirus disease 2019 (covid-19), BCfromVA said: For anyone interested to know, I experienced my first regen on my MX5400 last night. Just before putting the tractor away I got the regen light. Followed the procedure per instructions on the fender decal. Hours at first regen was 20.6. When regen was complete it was 20.9, so it took between .2 and .3 on the hour meter to complete., If you need a vehicle that can handle tough roads and difficult jobs, there’s no better option than a pickup truck. But today, trucks are more than heavy-duty vehicles. They’re als..., The regen system is a system that allows your truck to regenerate itself at certain times, such as when you stop in a safe area. However, regen should be used sparingly, as the system can fill up if not used regularly enough. A truck’s regen frequency depends on several factors. The type of fuel used, soot buildup, and driving habits all ..., Other factors can also contribute to frequent regens. Dirty air filters, clogged fuel filters, and faulty sensors can all cause the engine to run inefficiently and produce more soot, leading to more frequent regens. It’s important to keep up with regular maintenance to avoid these issues and keep your truck running smoothly., So I drive a company truck, 2014 Volvo 670. This truck almost constantly wants a Parked Regen, I'll do one in the morning then 2 to 3 hours later it wants another. So on my 30 min break I'll usually do another. Sometimes I do as many as 3 Parked Regens in 1 day..., Today I successfully completed a manual regen while my truck was at my house, pretty impressive and scary at the same time. My engine cranked up to 2500 rpm and went to town fixing my emissions control system. Shortly after completion, I went for a ride and I had restored power. Current Truck: 2024 GMC Sierra Denali 2500 HD with …, While you will notice the DPF benefits immediately, it may take 3-5 tanks for you to notice a large increase in fuel mileage. Your fuel savings will more than pay for DPF Remedy. Increased performance, easier starts, better acceleration and a smoother running engine will be noticeable every time you get behind the wheel., Explore this insightful article to understand the frequency of truck regen cycles. Learn how various terrains like hilly areas, highways, and off-road conditions can influence soot build-up and affect active and passive regen cycles. Stay tuned for discussions on other impacting factors such as climate and truck load., October 4, 2022. Fire truck manufacturing and the planning required to build a fire truck or custom apparatus is a detail-oriented, step-by-step process that requires precision, ingenuity and a great deal of expertise. From the very first cut of sheet metal to the final apparatus delivery, there are processes in place to ensure each custom ..., Regen duration lasts around 10-15 minutes and like Dieselwhisperer have intense amounts of black smoke coming out the rear monster exhaust when i get on it !!:thumbsup: Avg. mpg highway / city mix is 15.5, no problems, truck runs like a champ... 2008 F250 6.4L 4 X 4 (Job 1) Crew Cab Lariat Shift on the fly, 3.73., The process of parked regeneration is mandatory for 2010 EPA-compliant international trucks. Although much of the regen process occurs automatically, drivers must be careful to not damage the vehicle by driving too slowly. If parked regen does not begin, check the active fault codes for the truck's engine and reset the system., An active DPF regen is when the truck does this process automatically. This happens when the soot reaches a certain threshold and starts the active process to burn the soot off. ... How long does a parked DPF regen take? It takes approximately 20-60+ minutes. It will continue to regen until the soot level has reached ‘low’ or ‘0%.’ Some ..., Move the truck to a safe location that prevents the high exhaust heat from causing damage to the road surface or the ground. The driver MUST stay with the vehicle throughout the regeneration process. The procedure will take 20 to 40 minutes. Locate the regeneration switch located in the cab., How long does a regen take a truck? It will vary from 20 to 40 minutes depending on the type of regeneration and how much buildup there is in the exhaust system. The average time for a passive regen is about 20 minutes, but it can be shorter or longer depending on the type of vehicle and its maintenance schedule., How Long Does It Take to Charge a Dead Car Battery? Generally, it takes about 2 to 4 hours to fully charge a normal-sized car battery with a 20 Amp battery charger and about 12 to 24 hours with a 4 Amp charger. The charging time heavily depends on the car battery size and the charger’s power output., When this happens, a driver has to pull over and initiate a self-cleaning process that can take up to 40 minutes — valuable time that could have been spent on the road. But forced regens don’t ..., In certain circumstances, a forced regen (Parked Regen) is necessary, and the driver must stop and wait while the DPF goes through a more in-depth cleaning procedure. The driver should stop and allow the regeneration process to start after being prompted by the car's indication system. A forced regen serves to prevent severe engine damage., Here is how to regen Freightliner using the parking/static method. Slowly idle the engine for a few seconds before turning it on. It should not be in a power-take-off mode. Move the transmission from neutral to neutral, then back into neutral. Change the parking brake setting from OFF to ON., T1 should get to around 600 to 650 give or take 50 deg. T2 and t3 should work towards 850ish, it's more important that the sooner they match and stay close to each other the better. Dpf differential psi tells you how much restriction that filter is causing. The lower the better, anything below .5psi during regen is fine., Travelmath helps you find the driving time based on actual directions for your road trip. You can find out how long it will take to drive between any two cities, airports, states, countries, or zip codes. This can also help you plan the best route to travel to your destination. Compare the results with the flight time calculator to see how much ..., Posts: 4,424. Likes: 0. Received 11 Likes on 10 Posts. See other post from Tomc, if he has manual regen selected, he gets prompted to run a stationary manual regen of it hits 95% or more DPF filter soot. Then he is able to do a stationary regen. If the truck is idling and it meets the conditions for temp, and you are stopped at this 95% soot ..., The 12 best IHG beach hotels to stay at. With 18 different brands in its portfolio, IHG Hotels & Resorts is one of the world’s largest hotel chains. As you'd imagine, they have a w..., When it comes to moving, renting a U Haul truck is a great option for transporting your belongings. However, there are some important things to consider before you make the decisio..., chevor. 6836 posts · Joined 2011. #14 · Aug 9, 2012. Mine truck used to run regen about every 400 miles or once per tank of fuel. It just recently started to run regen shorter. Another thing I noticed is the truck has always wanted the oil changed at about 10k miles and now is wanted it changed at 4000., This cleaning cycle can result in up to an hour of downtime for the truck. When power take-off (PTO) equipment is run off T4F engines for extended periods, filter particulate can build up faster. ... In addition, some operators may not want to perform the time-consuming regeneration at the end of a long work day. Instead, they drive the …, Your free stock is waiting for you! Join Robinhood and we'll both get a stock like Apple, Ford, or Facebook for free. Sign up with my link. https://join.robi..., 6.4L Power Stroke Diesel - How long does Regen take - Hey all, When my dash says cleaning exhaust filter it only stays on for a minute at most. Is this normal. I was under the impression that the regen process takes longer. My truck is running great its an 2010 with about 3500mi. This is my first diesel and im trying..., 14690 posts · Joined 2014. #2 · Jun 9, 2016. #1, idle as little as possible, but for one hour occasionally, shouldn't be a big issue. It may run like it's loaded up for a few minutes after you get moving again. #2, what you experienced was "active regeneration", that is when you will notice the drop in economy and the diesel exhaust smell ...