2008 duramax manual regen

The stop engine light is on because im betting that a sensor on the exhaust side is not allowing the temp to go above the required level to activate the manual regen. Banks 66793 derringer tuner w idash data monster 1719. Shortly after completion, i went for a ride and i had restored power. Many versions of this engine have been produced in the. Starting with 2007 model years, diesel trucks are blessed with a diesel particulate filter dpf.

Often the truck would be in regen for several trips, and sometimes over more than one day. Say you spend most of your time in city traffic with short drives, but once a month you do a long drive somewhere, you could do a manual regen during the long trip. Duramax diesels forum duramaxdiesel technical duramax diyinstallation instructions lmm manual regen. Nov 24, 2015 if you do so multiple times in quick succession such as marshalling the vehicle around a lot several times just as a regen is being atempted you may get the command to drive. Bully dog 70020 performance dpf diesel particulate filter. How can i force the regeneration process of the dpf as it dosnt seen to want to do it its self. Truck wont perform parked regen, trying to get home. Diesel particulate filter the duramax engine is equipped with a diesel particulate filter dpf that, by design, will filter or trap particulates. See owners manual now 89 kmh 55 mph max speed on restart. Again, i have no idea if this would be effective or not, just a thought. The emissions equipment for diesel trucks has changed quite a bit through out the years. Bully dog set out to prove this didnt have to be the norm with their performance dpfs that will reduce your regeneration cycle counts, increase airflow, and is.

The duramax allison combination was first introduced for the 2001 model year, replacing the 440 lbft detroit diesel with the 500 lbft lb7. Some tools will have a builtin stepbystep process, or just a simple yes or no function. Some of the performance tunes ive tried cause the clean exhaust filter message to come up, likely because the power ranges of these tunes clog the filter faster than a stock tune. Im surprised at the psds going 800 miles or so between regens. From what powerstrokehd has told me the xl and xlts can have a manual regen option at idle. General motors, gm, the gm emblem, chevrolet, the chevrolet emblem, and the. It is an alphabetical list of what is in the manual and the page number where it can be found. Feb 20, 2015 im looking into getting a 2500hd with a 6. The dpf is located under the vehicle in the exhaust system. Read online duramax diesel supplement manual duramax diesel supplement manual.

Index a good place to quickly locate information about the vehicle is the index in the back of the manual. Can i force a manual regeneration of my dpf on 08 duramax. The duramax engine needs to see steady cruise speed, not stopandgo traffic, in order to properly enter regeneration mode. The autel allinone maxicheck pro performs all of the functions of the other maxicheck tools combined. Among the very active cruze diesel forum only a handful of folks have ever needed a manual regen. My engine cranked up to 2500 rpm and went to town fixing my emissions control system. Diesel particulate filter dpf regen is a relatively recent issue facing truck and fleet owners. I know absolutely nothing about diesel trucks but the mileage seems fine and for the year it is a newerish model. New here, i have a 2011 duramax, the service exhaust fluid system light came on after i replaced the fuel filter,dont know if that had anything. Includes key design features, engine specs, horsepowertorque ratings, and more. You must travel above 30 mph for at least 20 minutes until the clean filter message goes off. How to clean dpf with manual regeneration mode on scan tools. Owners are not having the regeneration warnings displayed on the dic, as described, and customer service can only repeat the apparent misinformation in the duramax supplement.

Ever since the manufacture started back in 2001, the 6. These things really scream up to 2400rpm during a regen. I found a tsb on the duramax diesel forum a couple of weeks ago that has chevrolet correct this problem. That little button right there is a manual dpf regeneration cleaning button. Over time, the worldsweeper office has received a number of reports from parking lot sweeping contractors concerning trouble they were having with the dpf systems on their isuzu chassis. As far as the idiot light coming on and your not taking the time to let it run the complete regen, well what can i say. Are they talking about the particulate filter and how does a person clean this. To keep the dpf from becoming chock full of particulate. The first step to take is to do a parked regen where the diagnostic software comes in handy to force it to happen. For vehicles first sold in canada, substitute the name general motors of canada limited for gmc and chevrolet motor division wherever it appears in this manual. Its used to perform a manual dpf regen on the filter whilst the car truck is stationary, a bit like a. As part of a periodic maintenance for dpf equipped diesel vehicles a manual or automatic regeneration is needed.

My 08 duramax manual says regen occurs roughly once per fill up about every fuel tank refill. Duramax lmm dpf and ecm programming kennedy diesel. Apr 03, 2014 two exhaust regens are better than one getting all that nasty soot and exhaust contamination out of the exhaust system dpf diesel particulate filter takes time and heat to do a proper job. Two exhaust regens are better than one getting all that nasty soot and exhaust contamination out of the exhaust system dpf diesel particulate filter takes time and heat to do a proper job. Check out the deal on bully dog 70020 performance dpf diesel particulate filter 07. I traded in a 2008 2500hd chevrolet with the duramax and never had an issue with the exhaust filter dpf. Want to win a free 2008 lmm duramax here is your chance. The dpf system will store soot during this type of operation, but the engine will not get hot enough to engage regeneration mode. If the following driving conditions are not going to be met soon. Mine used primarily as a daily driver with 4 to 15 miles trips. Check out the deal on banks 66793 derringer tuner with idash 1. Oct 24, 2012 if you cant get the exhaust temps hot enough, the truck will not regen under any circumstances. Possibly, if doing a manual regen resets the timer, you could pick the best time to get a full regen in.

This filter was installed to reduce emissions, but some owners want to remove the filter so that they can gain extra mileage or performance out of the engine. How to remove a 2008 duramax exhaust filter it still runs. In the research that ive done so far, it seems we need a manual regen done on the truck in order for the limitations to go away. I do know i got the same code and according to the manual you should head somewhere to stay above 3040 mph to allow it to start the regen, takes about 20 minutes. Any suggestions for how to diagnose the egr when its not. I took a video of the dash with it acting up on friday. Late last week, general motors announced it had built its two millionth duramax engine, an l5p unit bound for either a 2017 chevrolet silverado hd or. Is it possible to force regen with an autocal or tech 2. Today i successfully completed a manual regen while my truck was at my house, pretty impressive and scary at the same time. Just attach the tool to the dlc and access the modules function to clean the dpf. So i guess nothing has changed in the 20 plus years since ive owned a gm product.

Once cleaned, it is a good idea to insure you take. If you do so multiple times in quick succession such as marshalling the vehicle around a lot several times just as a regen is being atempted you may get the command to drive. He did a manual regen on it about 6 weeks ago and its acted up twice since then. Dpfs grab soot from your exhaust before it blows out into the environment.

Gm slapped with classaction suit for alleged duramax emissions. This active regeneration strategy is unique to the lml, as the previous lmm. Im thinking of moving up to a 34 ton truck for better for capacity. When the light with the exhaust symbol goes on, its time to regenerate. I have had some strange experiences lately with my 2008 duramax. The dpf will fill up with soot during typical operation, such as stopandgo driving. Diesel engine extended idling p244b p244c p2463 models. Mar 08, 2012 can i force a manual regeneration of my dpf on 08 duramax. Sitting in a cubevan, bored, while i wait for it to perform a parked regen. We will be looking at trucks within the next year or so. With the new emissions equipment on the diesel trucks i am wondering if they would eve.

Wife just got the message clean exhaust filter while pulling horse trailer. The regen usually lasts on the duramax for about 1015 minutes, give or take. Take your duramax equipped truck out for an extended straight drive, such as on the highway. A manual transmission was never offered with the lmm, and therefore every. On another note, perhaps further affecting gm diesel truck sales was the news that a potential recall may be in the works for the new duramax diesel, as the engines are being returned to dealers for exhaust treatment burnoff. Jun 04, 20 to clean a dpf using manual regeneration mode, you can use a specific service tool like the maxicheck pro from autel or other service tools for diesel engines. Dpf regeneration quick reference switch dpf inhibit switch to the automaticnot inhibited position when safe to do so. Periodically engage in steady speed cruises to insure your dpf regenerates. Other tuners have this feature, and for us guys keeping the doc and dpf this would be a great help. Over the years, dpfs have earned a bad reputation for clogging or failing unexpectedly, leaving your truck in limp mode. Its used to perform a manual dpf regen on the filter whilst the car truck is stationary, a bit like a dealer regen but without the fancy laptop equipment. However, 1520 minutes is no big deal unless you are only driving a mile to the next spot to idle 1520 minutes and you do this all day long. It doesnt sound like a dpf problem necessarily, but more of a sensor issue. The regen cycle does not seem to be operating correctly.

Efi live is working on it, and quadzilla and a couple others have it in their tune. The weight of passengers, cargo and options or accessories may reduce the amount you can tow. The best thing you can do to prolong the life of your dpf is when the engine goes into regen drive the truck preferably 30mph until it completes the regen. The duramaxallison combination was first introduced for the 2001 model year, replacing the 440 lbft detroit diesel with the 500 lbft lb7. The new diesel particulate system required active regeneration in order to. Not sure if it has done the regeneration, but the message wont go away and the truck keeps going into reduce power mode. Is there another option other than answered by a verified chevy mechanic.

How to use a manual dpf regeneration button switch faq. The first step to take is to do a parked regen where the diagnostic software comes in. Duramax lmm dpf and ecm programming dos and donts last updated 31810 the release of the lmm duramax has brought forth new emissions and new forms of tamper detection by gm. Putting the scr in front of the dpf drastically increases the need for active regeneration of the dpf and other power and efficiency sapping. The regen mode regeneration mode for emissions on my 2015 gmc duramax stinks. This manual describes features that may or may not be on. Diesel particulate filter dpf regen and repair fullbay.

Took my 2500hd in today to have the service department look into an occasional regen exhaust smell that fills the cab while sitting at a light. Dpf regeneration quick reference arrow truck sales. If the engine is unable to complete the regen after sufficient number of tries, it will put out a message to continue driving. Savana, and duramax are trademarks andor service marks of general motors llc, its subsidiaries, affiliates, or licensors. Someone said just one person so far in the duramax forum that they cleared this code letting it idle in the parking lot but it took over 20 min. The 2008 chevrolet silverado equipped with the duramax diesel engine has an inline filter in the exhaust called the diesel particulate filter dpe.

The dealer says he needs to replace the entire dpf and that manual regen is not an option on lmms. These things really scream up to 2400rpm during a regen compared. If you cant get the exhaust temps hot enough, the truck will not regen under any circumstances. No engine braking a stationary manual regeneration. To clean a dpf using manual regeneration mode, you can use a specific service tool like the maxicheck pro from autel or other service tools for diesel engines. This is not to say that these vehicles cannot be modified, but if one does so it should be done smartly. The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in. Canyons 7700lb rating requires 2wd crew cab model with available duramax 2.