L5p service emission system

It's important to be sure which message it is giving. Low DEF and Service DEF have different restrictions that Service Emissions. These are from the '2020 6.6L diesel supplement: Service DEF System. If a problem occurs with the DEF system, a DIC message displays along with distance until vehicle speed is limited.

GM added Selective Catalytic Reduction to the LML Duramax to help further reduce emissions. The SCR process begins with the injection of diesel exhaust fluid into the exhaust stream. Diesel exhaust fluid is made up of 1/3 Urea and 2/3 deionized water. The heat from the exhaust gas transforms the DEF into ammonia and carbon dioxide.Service Emission system P2033. So I have a bone stock LML. Truck is turning on the DPF and the check engine light and getting a message stating service Emission system. 99 Miles until speed reduced to 65. I run the truck for a few minutes the DIC message goes away and so does the DPF light but the P2033 stays.L5p service emission system reset tools; L5p service emission system reset password; South Shore Club Lake Geneva Foundation Be the first to add a review to the South Shore Club. Master Bedroom Dimensions: 14 x 40. Expand your search parameters, or consider saving this search to receive alerts when results become available. Internal ...Sep 25, 2020 ... Service Emissions System! Speed Locked Out! DPF Forced Regeneration 6.6 DURAMAX L5P. Rainman Ray's Repairs•331K views · 24:18 · Go to channel&nbs...I recently bought an 2017 L5P that had been deleted but possibly not done correctly. i have a service emission system, see owners manual code come up but no check engine …

Mar 30, 2021 ... 2017 Duramax 6.6 L5P Nox Sensor Replacement ... You Can Now Tune And Delete A L5P ... Duramax 6.6L Service exhaust fluid system - most common fix ...The 6.6L Duramax L5P is the most recent generation of the Duramax 6600 engine family and is found in 2017 to current Chevrolet Silverado, GMC Sierra 2500 HD/3500 HD pickup and chassis cab trucks. It is the most robust and powerful Duramax diesel created to date, producing a peak 445 horsepower and 910 lb-ft of torque. For 2020, a 10 speed …L5p service emission system reset password. A 2012 GMC 2500HD with a LML (160, 000KM on engine). Check engine light on, Service Emission System warning on dash, 124 miles to 65 mph max speed also on dash 5. Replace the loading by an equivalent resultant force and specify its location on the beamKyleC4.Service Emission System Will Not Clear. 2021 Chevrolet Silverado 2500 HD LT 6.6L (Y L5P) 10-spd (10L1000/MGM) — 1GC1YNEY0M⦁⦁⦁⦁⦁⦁⦁. P0101 — Mass or Volume Air Flow Sensor "A" Circuit Range/Performance. air filter was plugged and to the point of it was starting to collapse . Replaced air filter and cleared code but the service ...Select and start SPS2. Select Settings. Select the Warranty Claim Code tab. The VIN, Warranty Claim Code and Date/Time will be listed on a roster of recent programming events. If the code is retrievable, dealers should resubmit the transaction making sure to include the code in the SPS Warranty Claim Code field. Version.On Star directed me to drive to the nearest dealership for immediate service. It was also below zero outside and apparently the dealer filled my tank for me without using any winter additive. Cost to fix was only 280.00 which they covered and I've been careful to use anti-gel additive since. 2500 miles later, no problems.Feb 10, 2023 ... Service Emissions System! Speed Locked Out! DPF Forced Regeneration 6.6 DURAMAX L5P. Rainman Ray's Repairs•331K views · 43:15 · Go to channel&nbs...A completely revised high pressure fuel system, electronically controlled BorgWarner turbocharger, and significant structural improvements top the list of new engine features. 6.6 Duramax L5P Features. The 6.6L L5P Duramax was mated to the tried-and-true Allison 1000 six speed automatic transmission for 2017 to 2019 model years.

Jul 22, 2023 · 1922 posts · Joined 2013. #1 · Jul 22, 2023 (Edited) I have a 2024 L5P on order from a dealer here in AZ. When going through the options I wanted, the inventory manager added California Emissions to the order. He said he orders all the trucks that way, and told me there's no difference between a Cali emissions truck and a Federal emissions truck. The issue is that I have two units with service emissions system on the dash. The codes I get on both is: P0207. P0300 for engine. There's nothing about the DPF system. I replaced one of the injectors on the unit, it was running fine for a couple days, then the service emissions light came on.Select and start SPS2. Select Settings. Select the Warranty Claim Code tab. The VIN, Warranty Claim Code and Date/Time will be listed on a roster of recent programming events. If the code is retrievable, dealers should resubmit the transaction making sure to include the code in the SPS Warranty Claim Code field. Version.L5P Service Emission System Reset Tools. We have 200 miles to destination. The lamp will go out and the code will remain. Thanks for the help guys. TWICE this has happened. Cdj keys firefox cors failed localhost Menu Toggle. Service Emission System Will Not Clear –. The Duramax L5P was introduced in 2017 as a replacement for …Service BulletinBulletin No.: 17-NA-374 Date: October, 2020. INFORMATION. Subject: Information on Diesel Exhaust Accumulation, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2463 Set. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to. Chevrolet Silverado 2017 2018 L5P Silverado 2500/3500 2019 2021 Silverado 4500HD ...2. Alright got most of it figured out turbo actuator went out. now I have emissions system on my dash and I can not get it to go away. Anyone have a idea? I have disconnected the batteries over night cleared the codes. 11-13-2020 #3. badfast7x. Potential Tuner. Join Date. Nov 2020.

Planets visible tonight nashville.

Service Bulletin Bulletin No.: 17-NA-374 Date: October, 2020 INFORMATION Subject: Information on Diesel Exhaust Accumulation, Malfunction Indicator Lamp (MIL) …May 5, 2023 ... Service Emissions System! Speed Locked Out! DPF Forced Regeneration 6.6 DURAMAX L5P. Rainman Ray's Repairs•331K views · 10:13 · Go to channel ...The 6.6L Duramax L5P is the most recent generation of the Duramax 6600 engine family and is found in 2017 to current Chevrolet Silverado, GMC Sierra 2500 HD/3500 HD pickup and chassis cab trucks. It is the most robust and powerful Duramax diesel created to date, producing a peak 445 horsepower and 910 lb-ft of torque. For 2020, a 10 speed … Got called in to a shop 2 hours away to look at a 2012 GMC Duramax Diesel that is stuck in LIMP MODE due to an Emissions System fault.Shop owner already repl... L5p service emission system rest of this article; Bed Bath And Beyond Kitchen Curtains Sets CAMBRIA Luminous Satin Black Finials NWT. Shop All Men's Grooming. Shop All Kids' Clothing. Cables & Interconnects. Asymmetrical Flowy Maxi Dresses. New subscribers get 20% off single item. Instead of stocking shelves with more …

Service emissions system light is on, on my 2018 l5p and no codes are present, did a forced regen and nothing clears it. - Answered by a verified Chevy Mechanic2020 L5P Suburban 2021 LM2 GMC Sierra 1500 2020 LM2 Sierra 2500HD/ 3500HD 2020 L5P Yukon 2021 LM2 Involved Region or Country North America Condition Some customers may comment that the MIL is illuõminated with or without a "Service Emission System/Service Exhaust Fluid System" message.It's important to be sure which message it is giving. Low DEF and Service DEF have different restrictions that Service Emissions. These are from the '2020 6.6L diesel supplement: Service DEF System. If a problem occurs with the DEF system, a DIC message displays along with distance until vehicle speed is limited.Service Bulletin Bulletin No.: 17-NA-374 Date: October, 2020 INFORMATION Subject: Information on Diesel Exhaust Accumulation, Malfunction Indicator Lamp (MIL) …Nov 22, 2019 ... Paul and Chris walk us through how much soot is accumulated in the DPF for the L5P ... L5P DPF Soot Accumulation ... Service Emissions System! Speed ...In recent years, there has been a growing interest in renewable energy sources as a means to reduce carbon emissions and combat climate change. One such source that has gained sign...Duramax Emissions Explained. 12-08-2020, 04:47 PM. Duramax emission systems and the years introduced. 2001 LB7 - No EGR or Catalytic converter. 2002-2004 LB7 - ECM controlled vacuum operated EGR with cooler and Catalytic converter 2002 w/ California emissions. 2004.5 -2005 LLY - Larger ECM controlled electric motor actuated EGR with cooler and ... with a Service Emissions System message as well. Some technicians may one or more of the following DTCs set in the Engine Control Module (ECM): • P20C1: Reductant Heater 3 Control Circuit • P21DD: Reductant Tank Heater 1 Low Current • P221C: Reductant Tank Heater 2 High Current • P10D9: Reductant Heater 1 Control Circuit Shorted #1 · Jan 22, 2018. Got this message Friday on my 2015 GMC. Check engine light and service emission system came on. Dealer doesn't know what it means either? Truck …L5p service emission system reset command. Duramax L5P Performance Module 2017-2022. was $ $150. P0304 coded Duramax 2006 LBZ × Help us help you. Replaced air filter and cleared code but the service emission system will not …If a problem occurs with the vehicle emission system, the DIC message SERVICE …L5p service emission system reset tools; L5p service emission system reset password; South Shore Club Lake Geneva Foundation Be the first to add a review to the South Shore Club. Master Bedroom Dimensions: 14 x 40. Expand your search parameters, or consider saving this search to receive alerts when results become available. Internal ...Got new 2017 gmc denali diesel, 790 miles, stop for fuel, upon start, dic message "service emission system now, 175 miles until reduced speed 65mph". Went straight to dealer, diesel tech read code, reviewed gm data, stated to clear code and in other trucks the problem has not reappeared.

Jun 29, 2020 · 2. Alright got most of it figured out turbo actuator went out. now I have emissions system on my dash and I can not get it to go away. Anyone have a idea? I have disconnected the batteries over night cleared the codes. 11-13-2020 #3. badfast7x. Potential Tuner. Join Date. Nov 2020.

L5p service emission system reset system. wgu c170 dump The Predator 2 Tuner is 50-state emissions compliant, meaning you can enjoy more power in states with CARB restrictions like California, without any headaches or worry. 2021 Chevrolet Silverado 2500 HD LT 6. Perform the Reductant Fluid Quality Test.L5p service emission system rest of this article; How to delete l5p; Bed And Breakfast Jackson Tn.Gov. 1 km) from Casey Jones Village and 3. Bodock B&B - Pontotoc. Electronic/Magnetic Keys. Bed Type and Features - Bed sheets. Hampton Inn & Suites Jackson. RV, bus & truck parking - Free. Based on hotel prices on, the average cost per …Service Emission System Will Not Clear. 2021 Chevrolet Silverado 2500 HD LT 6.6L (Y L5P) 10-spd (10L1000/MGM) — 1GC1YNEY0M⦁⦁⦁⦁⦁⦁⦁. P0101 — Mass or Volume Air Flow Sensor "A" Circuit Range/Performance. air filter was plugged and to the point of it was starting to collapse . Replaced air filter and cleared code but the service ...L5p service emission system reset command. Duramax L5P Performance Module 2017-2022. was $ $150. P0304 coded Duramax 2006 LBZ × Help us help you. Replaced air filter and cleared code but the service emission system will not …If a problem occurs with the vehicle emission system, the DIC message SERVICE …Customer service is a crucial aspect of any business, and having an efficient ticketing system can greatly enhance your ability to provide top-notch support to your customers. As y...In today’s fast-paced business world, managing service calls efficiently is more crucial than ever. A service call management system can streamline and automate this process, provi...Service emissions system light is on, on my 2018 l5p and no codes are present, did a forced regen and nothing clears it. - Answered by a verified Chevy MechanicJun 29, 2020 · 2. Alright got most of it figured out turbo actuator went out. now I have emissions system on my dash and I can not get it to go away. Anyone have a idea? I have disconnected the batteries over night cleared the codes. 11-13-2020 #3. badfast7x. Potential Tuner. Join Date. Nov 2020.

Bush hog gearbox parts.

In your ear stereo gear lehigh acres.

If removed, re-install the fuel filter. 5167517. Disconnect the chassis side fuel feed hose (3) from the engine side fuel feed pipe (4). Place the end of the chassis side fuel feed hose into a clean container and run the fuel pump to clean any debris left in the fuel lines, approximately 2-3 gallons (7.6-11.4L).Perform a RFQT and see if it passes, times out or fails. If it fails, turn off the T-2, unhood the T-2 from the DLC. Shut off truck and remove key. Open and close drivers door to turn off of RAP. Let the truck sit for approx. 5 min. Restart truck, re-install and set up the T-2 and perform another RFQT.The L5P ECM Service from HP Tuners gives you the power to tune your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax. There are two available options to calibrate, log, and scan via your …2020 L5P Duramax Problems. I have 61,000 miles on a 2020 gmc sierra 2500hd denali with the L5P duramax, I want to love this truck, but over the last 2 months the def system has failed, the entire emissions system has failed, coolant sensor level has failed, and a heater core has failed. The dealership says GM will not cover any of it under ...Jun 13, 2017 · L5P emissions. Contrary to a few who say there hasn't been any issues, there are numerous on other threads. "Check engine light on, again" The threads are just spread out, my fault too for not looking deeper on forum. 2018 Chevy LTZ, 4X4 DblCab SB, Duramax, Graphite Metallic, Leather, BFG LT285/65R18's,nav, Husky floor mats, WeatherTech splash ... Milwaukee, WI. '01 2500HD, LB7, ~440K miles. "Stock" engine. Dual fuel filtration system with Kennedy lift pump, BF Goodrich Commercial T/A Traction tires (sold to a dude from Texas- it's living a warmer life just fine down there now!). '17 2500HD, L5P (Happy Birthday/Merry Christmas to me!!!)Dealer found possible cause of spurious codes. Got the truck back today. Since there were so many P codes (some were a little out in left field) and that there were several U codes (vehicle communication network), and the DEF DIC indication that happened at the same time, they zeroed in on the possibility that the powered running …See Visually inspect exhaust system filter life system, check the air Cooling System (Engine) 0 69 or and nearby heat shields for filter life percentage. Cooling System (Low loose or damaged parts. Page 84 Service and Maintenance Maintenance Schedule Additional Required Services - Normal Perform Required Services. Check engine oil …L5p service emission system reset tools; L5p service emission system reset command; Carol Blackmon Child By Holyfield Woods. 1, 650 6827 Cherry Laurel Lane Fishers, IN 46038... Carol Blackmon Carol Ann Blackmon, 55, died Monday, November 17, 2014 at home in Bayfield, Colorado. View phone numbers, addresses, public records, … ….

Common causes of the "Service Emission System" warning include issues with the exhaust gas recirculation (EGR) valve, the diesel particulate filter (DPF), or the catalytic …L5P emissions. Contrary to a few who say there hasn't been any issues, there are numerous on other threads. "Check engine light on, again" The threads are just spread out, my fault too for not looking deeper on forum. 2018 Chevy LTZ, 4X4 DblCab SB, Duramax, Graphite Metallic, Leather, BFG LT285/65R18's,nav, Husky floor mats, …2.00 Emissions Re programmed (uncertain as to the actual details of what they did). 3.00 Def tank being replaced. (parts not available on back order). Today I called GM customer service/care at 1-800-462-8782, was assigned a case number, we will see what happens next. Update: 3/17/2022. Never received a call back from GM Customer Care.L5P Delete Cost. To perform steps to remove the filter on the L5P, you will need at least $1000 to $2000, depending on the accessories we use. The cost for the device will range from $200 to $1000, while other necessary accessories will be the remaining amount.20 posts · Joined 2014. #6 · Feb 16, 2021. I got the same message the other day and truck went into “limp mode” DIC says service emission system. Checked for codes and got P0106. MAP/ barometric pressure. I spoke to service this AM and was told it has to do with the placement of the sensor.The chart below shows general L5P Duramax maintenance and service intervals. Please keep in mind your situation may call for more frequent maintenance than what is listed below. Heavy towing or driving in extreme conditions requires more frequent maintenance. When you change your oil, check components like your air filter to make sure they are ...A 2012 GMC 2500HD with a LML (160,000KM on engine). I had just recently replaced the coolant o-ring in the flywheel housing cause one was leaking coolant. Once the repair was complete the service emission system message appeared in the IP but no codes are set. A successful service regen was done with a tech 2, and no codes set …Bulletin No.: 21-NA-007. Date: January, 2021. INFORMATION. Subject: Diagnostic Tip to Diagnose Emission Reduction Fluid Tank Electrical Connector Inspection, Reduced …Service Bulletin Bulletin No.: 10-06-05-002H Date: October, 2019 INFORMATION Subject: Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message is Cleared or Diesel Partic Filter is Full Continue Driving Displayed on DIC, DTC P2463 May Be Set Models: 2007-2009 Chevrolet Kodiak 2007-2018 … L5p service emission system, Jun 2, 2021 · GM launched the LMM in 2007.5, replacing the LBZ due to tighter emissions regulations. To strengthen emissions active regeneration was added alongside a DPF system. As is common with emissions equipment, this led to a new common problem for the Duramax LMM engine. Similar to its predecessor, the LMM has very few actual engine problems…. , Jan 13, 2019 ... Service Emissions System! Speed Locked Out! DPF Forced Regeneration 6.6 DURAMAX L5P. Rainman Ray's Repairs•312K views · 23:40 · Go to channel&nbs..., A catalytic converter is essential to your vehicle’s emission system; it functions by transforming "raw" exhaust into less environmentally damaging gases. There are few instances i..., L5P TSB (service bulletins, recalls, updates) LP5 Emission components Factory Warranty Question. Jump to Latest Follow ... But when I asked a few question about what warranty was on the emission systems (DEF, DPF, ect.) I was told those items are only covered under the 3/36 bumper to bumper warranty even though in the book it …, #1 · Feb 28, 2022 (Edited) Hello Everyone, I have a 2020 Sierra 2500 Duramax Denali, 27,000 miles. The DIC is showing the following two messages, (Service Emission's …, 2014 DMax Service Emmission System warning message. I just bought my first used Chevy 3500 Duramax truck after 20 years of used Chevy 3500 6.5TD ownership (94 ext cab and 99 crew cab). It's a 2014 with 103,600 miles on it, 3500 crew cab LTZ with long bed, single rear wheel, maxed out options including NAV, moon roof, rear seat entertainment, etc., To work with the Duramax L5P system, you will need two tools: the L5P delete kit and the detector with the ability to delete the filter. ... If maintaining the above emissions system causes your financial …, However, like any mechanical device, it may encounter some problems. One common issue that Duramax owners face is related to the emissions control system. The L5P Duramax engine utilizes a complex emissions control system to meet strict environmental regulations, but occasionally, malfunctions can occur within this system., Jan 6, 2024 · DaPlumber Discussion starter. 29 posts · Joined 2023. #1 · Jan 6, 2024 (Edited) This post is for knowledge of the updated L5P and its emissions system. 2024 2500. 2800 miles. IDash. Soot levels rose 30% today driving 65mph Over 25 miles. I’ve done 2 regents this week over 500 miles. 1/3 highway driving 2/3 around town and backroads. , Jan 5, 2022 ... L5P #tuning JW Merch here: https://jwmotorsportsco.com/ Denali Playlist: ..., Problem: Truck runs and drives smooth, everything works, except for a message saying service emission system speed limited to 158mph.. weird because thats a high speed.. …, Dec 8, 2020 · Duramax Emissions Explained. 12-08-2020, 04:47 PM. Duramax emission systems and the years introduced. 2001 LB7 - No EGR or Catalytic converter. 2002-2004 LB7 - ECM controlled vacuum operated EGR with cooler and Catalytic converter 2002 w/ California emissions. 2004.5 -2005 LLY - Larger ECM controlled electric motor actuated EGR with cooler and ... , I had that happen at 98000 km on my 2012 GMC 3500hd, and the dealer replaced the DEF tank, the heaters quit, now another problem, at 125000km service emission system on DIC, so, dealer changed out 2 nox sensors and couldn’t get it fixed and now want to change the whole exhaust system, I’m not letting them do that, so, …, L5P Service Emission System Reset Tools. We have 200 miles to destination. The lamp will go out and the code will remain. Thanks for the help guys. TWICE this has happened. Cdj keys firefox cors failed localhost Menu Toggle. Service Emission System Will Not Clear –. The Duramax L5P was introduced in 2017 as a replacement for …, L5p service emission system reset software; Covid Confusion Hits Aussies At Games Free The news out of New York is the latest in a series of MLB clubs trying to incentivize having fans get their vaccinations. One thing, though: Victorian state Premier Daniel Andrews told a news conference the plan was "far from a done deal. • USA BMX will ..., To work with the Duramax L5P system, you will need two tools: the L5P delete kit and the detector with the ability to delete the filter. ... If maintaining the above emissions system causes your financial …, Hey, gents. I have a '17 3500 that's recently throw the "Service Emission" message with a countdown to 65 mph speed limit along with a CEL. The codes from my generic reader are the following: P2ADA: "Reductant Tank Temperature Sensor 2 Circuit Performance". P11D3: "NOx Sensor 1 Exceeded Minimum Learning Limit"., The issue is that I have two units with service emissions system on the dash. The codes I get on both is: P0207. P0300 for engine. There's nothing about the DPF system. I replaced one of the injectors on the unit, it was running fine for a couple days, then the service emissions light came on., Jul 15, 2018 · Next I changed the fuel filter, primed and bled it and started it to check for any fuel leaks. It started right up and I ran it for a couple of minutes with no leaks. When I went to shut it off the DIC had the message "Service Emission System Now, See owners manual, 175 miles until 65 mph max speed." I did have the air intake tube off while I ... , Got new 2017 gmc denali diesel, 790 miles, stop for fuel, upon start, dic message "service emission system now, 175 miles until reduced speed 65mph". Went straight to dealer, diesel tech read code, reviewed gm data, stated to clear code and in other trucks the problem has not reappeared., A 2012 GMC 2500HD with a LML (160,000KM on engine). I had just recently replaced the coolant o-ring in the flywheel housing cause one was leaking coolant. Once the repair was complete the service emission system message appeared in the IP but no codes are set. A successful service regen was done with a tech 2, and no codes set during or after ..., The issue is that I have two units with service emissions system on the dash. The codes I get on both is: P0207. P0300 for engine. There's nothing about the DPF system. I replaced one of the injectors on the unit, it was running fine for a couple days, then the service emissions light came on. , My 2024 GMC Sierra AT4HD with only 8,000 miles on it, had a check engine light pop-up along with a message on the dashboard that read “service emissions syst..., #1 · Aug 27, 2017 (Edited) I have an 2018 Chevy 2500HD with a Duramax L5P engine introduced in 2017. I've owned it for 19 days and it has been back to the dealer in and …, Service Bulletin Bulletin No.: 10-06-05-002H Date: October, 2019 INFORMATION Subject: Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message is Cleared or Diesel Partic Filter is Full Continue Driving Displayed on DIC, DTC P2463 May Be Set Models: 2007-2009 Chevrolet Kodiak 2007-2018 …, Also referred to as an onboard computer, a powertrain control module (PCM) is a powerful computer that helps in managing and controlling emission systems, fuel injection and the ig..., How to delete l5p; L5p service emission system rest of this article from smartphonemag; L5p service emission system rest of this article; If You Don't Wanna Love Me Lyrics By Cowboy Troy. Like an ornament every other week the kids have a tournament. She's scared of all the noisy drama she's been gone for a. d. week and a half all she wants is ..., 2020 L5P P020D Limp Mode. Initially it was only a P0216 code but now its unpredictable whether itll be a P0216 or P020D but the symptoms are the same. I also got a P0304 once. The truck idles fine but as soon as the RPMs are increased it starts running terribly and making a loud buzzing noise under the hood., All Equipped with Diesel Engine RPO L5P, LML, LGH, LUZ, LWN, LH7 or L5D ... Perform the Diagnostic System Check - Vehicle. 2. Is DTC P2463 set? ⇒ If DTC P2463 is set, refer to Diagnostic Trouble ... no longer possible and dealer service will be necessary. 7.5. Possible irreversible damage to the DPF may occur, requiring repair or replacement. ..., Next I changed the fuel filter, primed and bled it and started it to check for any fuel leaks. It started right up and I ran it for a couple of minutes with no leaks. When I went to shut it off the DIC had the message "Service Emission System Now, See owners manual, 175 miles until 65 mph max speed." I did have the air intake tube off while I ..., Problem: Truck runs and drives smooth, everything works, except for a message saying service emission system speed limited to 158mph.. weird because thats a high speed.. …, These exhaust systems are available in T409 Stainless. EXPLOSIVEDIESELS has made the necessary changes to ensure easy installation as all our exhaust kits come with necessary clamps, preweld contour bent hangers, and stronger flanges. With this exhaust system you can expect increased performance, lower EGTs and improved flow., GM added Selective Catalytic Reduction to the LML Duramax to help further reduce emissions. The SCR process begins with the injection of diesel exhaust fluid into the exhaust stream. Diesel exhaust fluid is made up of 1/3 Urea and 2/3 deionized water. The heat from the exhaust gas transforms the DEF into ammonia and carbon dioxide.