0 jtdm engine from latest EPER. 5. DPF regeneration will be interrupted if the engine is stopped prematurely. Another dpf/egr delete question. Note: If at any time during the intake service you hear a diesel knock sound, turn the air and liquid valve on the EGR Cleaning Tool closed for 2 minutes. If all of the above is good, remove rubber intake pipe coming from the intercooler, remove anti-shudder valve, remove EGR valve and inspect for soot build up. MAINTENANCE INFORMATION CAUTION Never loosen a high-pressure fuel line with the engine running. A faulty EGR valve or engine running issue in the past will vastly increase. Book now for peace of mind! Spread the cost From £1. You can do this by using an additive that cleans the entire fuel system and keeps it in top condition. 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 emissions from diesel cars. Ford Focus 1. 937-387- 9800. 438 likes · 3 were here. The UK’s number 1 Mobile DPF Cleaning Service. Wynn’s Diesel EGR Extreme Cleaner. Connect shop air. If the DPF does not regenerate due to engine related faults or driving practises (short stop/start journeys) and fills to over 90% or 45 grams, the DPF will need replacing. You will have to remove the EGR valve and connecting piping from the car and perform mechanical cleaning. The HHO Carbon Clean Systems can perform hydrogen carbon cleaning on any gas or diesel motor and is used to help remove carbon build-up on any type engine. Two critical elements that need to be checked out at 100,000 miles are the EGR valve and the DPF. 5. 1. 99. $ 179. Owned by Erie Radiator, a third-generation industrial heat transfer and diesel emissions specialty service outlet; CDS Buffalo is staffed with over 50 years of truck maintenance experience. The treatment will include either a direct flush into the DPF on a ramp or a soak overnight, then a diagnostic regeneration of the DPF to. Step 5. Turn the fluid and air valve on the EGR Cleaning Tool to the closed position. Flip remote key/Keyless smart key 2 button 434Mhz for Porsche Cayenne 2003-2012 This is a complete car key! Button: 2 Frequency: 434 Mhz Remote key=PCF7946 chip, Keyless key=PCF7942 chip This part is. CDS Miami also provides: DOC, SCR, EGR & 1Box Service. This gas is cooler than the combustion temperature inside the cylinder, which reduces the production of oxides of nitrogen. 9/2. After exhaust fumes exit the engine, the DPF ccollects soot / diesel. My dpf will be coming off for cleaning in the next few weeks. In Stock. 11. MAINTENANCE INFORMATION CAUTION Never loosen a high-pressure fuel line with the engine running. To add to this already expensive grief, dpf. The DPF within a vehicle requires ongoing carbon cleaning. Optimize Peterbilt vehicles with DPF cleaning services. Timbo Member. Exhaust gas recirculation system. Reply. . Specialties: We are authorised Terraclean Service Agents for Basingstoke, Hants and the surrounding areas. 0 Lambda Hotstart Flap,O2, DTC 2 Software Full package multi-language download free here. ** New Shipping and Mailing Address: 100-17878 106 Avenue NW Edmonton, Alberta T5S 1V4 Canada Local: 1-780-454-6390 Toll Free: 1-888-467-4142 Email: info@kenvo. Diesel Laboratories (Specializes in Diesel engine repair & DPF/EGR Cleaning. - EGR valve and pipe - Turbo Some people use DPF cleaner like Wynns using a spray bottle of high pressure pump action fence sprayers. Give our team a call or text today for more information!Sure, let’s jump right in. Scarborough DPF Solutions - DPF, EGR, Intake & Fuel Injection Cleaning, Scarborough, North Yorkshire. Pull back EGR pipe about ½” and remove gasket. SCR technology significantly reduces nitrogen oxides in the exhaust gas. I haven't owned a 6. To keep up with times we have also figured out a better solution to paccar mx 13 dpf delete that works with all conditions. Drive vehicle (ideally in a lower gear than you normally would) for 20 to 30 miles. Here we show you how to clean the EGR valve on our van using DPF flushing fluid to clean the soot particles. Service prices. 15. This eventually cokes up the inlet valves and inlet tract which has no. Btw, you unplug the egr but leave the tv butterfly valve plugged in. This is evident by the increase in particulate emissions that corresponds to an increase in EGR. The DPF: Unplug both the EGR and DPF pressure sensors (the EGR one is protected by a little space blanket). Our contact information is below! 179 West Cohawkin Road, Clarksboro, New Jersey 08020. In 5th. Improving the way an engine runs, protecting the DPF filter and fighting the water in fuel damage, the additive is one of the complex formulas for all types of old and new diesel engines. Step. Turbo blew (exhaust rotor siezed and snapped rotor shaft in two) so needs turbo. 0TDCi 103KW Symptoms: DPF filter blocked by soot Engine malfunction sign on the dashboard Errors stored in. Option 1: Research it yourself. Our patented controlled pyrolysis oven is the. You can see the DPF filter, EGR filter, and primary and secondary cat with exhaust flapper. Filled the DPF with 14% vinegar, let soak 15 min, thoroughly rinsed. A DPF regen, or regeneration, happens when the DPF burns the accumulated soot off its face to prevent clogging. Kentucky, Dayton 859-581-7500. #1 · Apr 20, 2019. Book Online. Once this is done, you’ll see black, hard carbon deposits. EGR (Exhaust Gas Recirculation) systems can become clogged with carbon deposits that can cause reduced power, misfiring, smoking and reduced MPG in diesel vehicles. Towed to garage (B) – updated at Sangyong dealership garage (C) because car had not had 2014 update. To cut to the chase, there is no change in FreeSSM. Of course, you can never keep the EGR valve completely clean, but it is certainly possible to limit the contamination of the EGR valve. It limits gas emissions, which are harmful for people and for the environment by recirculating a portion of the exhaust gases from the engine back into the combustion process. ) is located at 738 Bamberger Dr in American Fork, Utah 84003. First fitted to diesel vehicles from 2007, the DPF has been causing confusion and, in many cases, expensive. Search High Quality DPF thermal regeneration system Manufacturing and Exporting supplier on Alibaba. 4 Powerstroke is prone to clogging and causing. 2003 3500 CCLB Dually 6speed - Ventilated Itself. The 242F and 1451 codes came in when the dpf went 100% full and went into limp mode. It’s all seems like a no brainer if EGR restricted flow is popping up. Pneumatic & Thermal Diesel Particulate Filter ( DPF ) & Diesel Oxidation Catalyst ( DOC ) cleaning using state of the art dual force technology performed manually to ensure maximum efficiency cleaning. So the new EGR system is a low pressure only design, and consists of three components; V338 EGR motor 1 (page 66 of that pdf) at the front of the engine, leading into the water-air intercooler and V339 EGR motor 2 and the EGR cooler (pages 50-53 in that pdf), mounted to the cat/dpf canister coming off the turbo at the back of the engine. I'm pretty mechanically inclined but when it comes to knowing the computer and sensor. by 72Bump. Going to change the filters and I'll give the EGR clean a go. Your details were sent successfully! Auckland DPF solutions are here to cater for all your needs whether its advice or one of the following services, DPF Delete, Egr Removal, DPF Regeration. Do the entire 67,500 mile service (EGR cleaning and CCV filter). . When looking for DPF cleaning in Essex, do not settle for less than the professional finish that you and your car deserve!. Highlands Ranch, CO 80129 833-373-2583. We offer a complete report at the end if the filter fails the cleaning. With 40 years of filter cleaning experience (Est. All DPFs requiring ash cleaning should be returned to a Cummins Inc. 7L I own calls for an EGR cleaning and CCV filter replacement every 67,500 miles. comCommercial EGR Systems; Design Considerations; EGR System Components; Retrofit EGR Systems; Commercial EGR Systems Overview. Audi A3 1. DPF FILTER CLEANING GET YOUR DPF FILTER PROFESSIONALLY SERVICED IN 48 HOURS OR LESS. Texas, Dallas 972-227-1210. Ford's system runs the engine with a minimal amount of oxygen possible in order. view profile. DPF Alternatives offers DPF recycling! Give us a call and we’ll collect and recycle your heavy duty filters and catalysts. I got my dpf/ egr delete down pipe and mid pipe for 570 shipped from Buzzken, stage 2 malone tune, 549 plus 80 for shipping, and my shop is going to install my new pipes for around 400. That stuff at full strength just melted the carbon off my egr valve. 75 posts · Joined 2009. It does however need a chance to do so and a motorway drive for at least 30 mins will do the job. Call today!The job of dropping these temperatures is handled by the EGR cooler. 9/5 Based on 24 reviews Show all reviews. Its been the number one selling car in the UK for longer than we can care to remember. This cost is higher than average, even compared to other full-size trucks. The next step is to clean the EGR valve to see if the problem changes or. Savings in fuel economy and the restoration for your. . EGR & DPF Cleaning Service for Heavy-Duty Trucks. Check the EGR valve and, if necessary, the rest of the system, if you find one or more of the following diagnostic trouble codes (DTCs). By removing carbon we can improve engine performance, reduce emissions, and reduce costs by increasing component lifespan. OBD II code P0401 Exhaust EGR Flow Insufficient. Owner Links New Owner Portal Services. 02 Software for ONE laptop Operating system: WinXP to Win8. We provide a one-stop mobile solution for all emission and ECU related issues, including DPF Filter cleaning, EGR Valve cleaning, Adblue System faults, swirl flap issues, hydrogen based engine cleaning, and DPF deep. 02 Professional DPF+EGR REMOVER 3. Audi TT. We provide a one-stop mobile solution for all emission and ECU related issues, including DPF Filter cleaning, EGR Valve cleaning, Adblue System faults, swirl flap issues, hydrogen based engine cleaning, and DPF deep cleaning direct to your door. Then go out on a nice long highway drive to purge the DPF clean with heat. 3. Diesel Particulate Filter (DPF) Exhaust Gas Recirculation (EGR) Selective catalytic reduction (SCR) 1. Remove the bolts and separate the valve from the gasket. Optimize the longevity and performance of your diesel particulate filters. Your exhaust gas recirculation system (EGR) and diesel particulate filter (DPF) are two components you may never. For a EGR valve and DPF replacement at the dealership it's something like $7k based on what someone else is going through. EGR ports to flow sensor become clogged. 8 cyl $490. If it is, Bardahl helps you avoid its replacement with cleaning solutions!. Call Today - (909) 228-3999. Aftermarket Replacement Filters & Parts. 0 TDCi 103KW - EGR Valve Cleaning / Replacement: Car: Ford S-max MK1 2. and 4 others. NOTE: If engine is hot, the EGR cooler must be cooled before treatment can start. Check the EGR valve, hose or electrical connections, as necessary. The cost to fully clean the DPF is $350; it's $49 for the DOC. Adding EGR to a diesel reduces the specific heat ratio of the combustion gases in the power stroke. On average, you should expect to spend between $850-$1,100 per year maintaining your 6. 7 Cummins DPF Delete Problems With Solutions. 2017+ Super Duty - 2017 DPF/DEF/EGR Delete - HI Guys! I ordered a new 17 Super duty this week and am going to be deleting all of the usual components that we know about. Check the diesel particulate filter (DPF) assembly and check for any exhaust leaks, cracks, signs of melting or excessive deposits. 5-2006 TDI) 1000q: mk4 B5 Passat intake manifold cleaning (2004-2005 TDI) Another problem for the mk3 and mk4 TDI is leaking oil out of the EGR weep hole. 2)December 2018 diesel in oil – about 4cm above full level on dipstick. Mm did the little fiat egr blanked off , took exhaust off cut end out took dpf out tig back up and remap , 95000 miles later and 5 mot no issues at all . Thus NOx, composed of nitric acid and nitrogen dioxide, are. Same drill with EGR valve ( the one just before the intake manifold). Here we show you how to clean the EGR valve on our van using DPF flushing fluid to clean the soot particles. Salt Lake City, Utah 84115. I will try to clean the EGR system first, then move onto cleaning and inspecting the DPF. New Zealand. 8:00 am - 5:30 pm Monday - Friday. Living with the stock EGR doesn't mean we have to accept paying the dealership $1,250 every 67,500 miles to clean the EGR system. Enjoy!!! Software: 2016. I thought I would share with you guys my "recipe" and some before / after photos of my cooler after its recent cleaning. Authorized Repair Location in exchange for a New/Recon DPF. 5. The acronym DPF stands for diesel particulate filter, and its job is to stop the soot from leaving the exhaust. performancerestored@gmail. enquiry@dpfsolutions. Ford has been using Selective Catalyst Reduction (SCR) exhaust gas treatment systems with its diesel engines since 2015 in various models such as the Endura, Everest and Transit models. not fun!). Nitrogen oxides are normally formed in the process of combustion and their formation increases dramatically at higher combustion temperatures (above 1600 °C or. FORD. Residues are not necessarily taken away by the pressure wash as some spots might be overlooked. If you are looking underneath a diesel car, truck or van, the DPF device is an extra ‘box’ part of the exhaust system. Pennsylvania, Philadelphia 215-289-9480. We offer a complete report at the end if the filter fails the cleaning. On a van like a Sprinter yes. Florida, Tampa 863-606-5999. Fully Mobile Service Highly Trained Specialists Before and After DPF Cleaning Report Engine & Turbo Cleaning Book your DPF Health Check. The Exhaust Gas Recirculation or EGR system is one part of several vehicle emission control systems. Audi SQ5. For ease of identification, important characteristics of this engine are:-Single camshaft-High Pressure Common Rail (HPCR) fuel system -Single Module DPF and SCR Aftertreatment System-ECM 2350 (this control module incorporates DEF dosing control) -Variable Geometry Turbocharger (VGT)-Exhaust Gas Recirculation system. 5 week stent in the Rockies where I could not get a full regen and got thrown into limp mode a couple times (while towing up mountain passes. the topmost benefit of the DPF delete is the improvement in the performance of the engine. 2. With our total service, you’ll receive our signature advanced DPF regeneration and ultrasonic cleaning. In between exhaust and intake cleaning the air pressure must first be set to zero before adding the remaining 64 oz. No issues with DPF at all until a 2. Our Operating Hours And Days: Mon-Fri 6am - 5pm. send email. R&I Intake manifold for thorough cleaning, along with the valve and crossover pipe. 00! Please leave this field empty. $1599. This fluid is designed to soak the in the dpf but. Call CDS Escondido at (442) 999-4774. TDI. ultra sonic cleaning is the most effect way to clean egr valves DPFs. Completed in an average of 45-60 minutes so no requirement to leave your vehicle with a garage for days on end. Best way to clean dpf. Stiction is the sticky friction caused by byproducts of burnt oil. EGR valves recirculate burn gases and soot back into the inlet. How to Install and Activate Professional DPF EGR remover software. This video shows a shortened version of the cleaning process we undertake when cleaning Diesel Particulate Filters. If its closing properly into the seating under the spring pressure then it should work fine. 7 so I'm looking for feed back. Since 2008 Clean Diesel Specialists has been a leader cleaning and maintenance of DPF, DOC and EGR components. Regarding dpf cleaners before I started to use stp dpf cleaner in my insignia the light would come on and it took around 20 to 25min high rev driving to get it off, since using additives it goes off within five mins driving on dual carriageway a distinct improvement,also the frequency of dpf light coming on has gone from roughly every. Good stuff, but when I did my delete, I dodged a $2500 purchase (my DPF was. -HVAC Coil Sales and Service. The DPF manufacturer’s approved dpf filter cleaning techniques must be used. RE: DOC/DPF Fitler cleaning. Telephone: 856-440-3338. Re-mount the particle filter, add DPF Super Clean and do a test drive of at least 20 minutes. Book Appointment. First, make sure that there is a least 1/4 of a tank of fuel and that the engine management light is not on. Top 4 Dodge 6. Go to Amazon and specifically buy “ Forte Diesel Fuel System Treatment & DPF Cleaner & Turbo Cleaner Package ”. Enjoy!!! Software: 2016. The population reached 230,000 in 2011 and it is estimated to reach 300,000 in 2025. A couple of manual regen at dealerships while in Ouray, CO and then. NOTE: If the engine is hot, the EGR cooler must be cooled before. 0d X3. High pressure builds heat in tight-tolerance applications and extreme heat causes the oil to burn, oxidize and create layers of sludge and deposits. From just £149. Special Offer £99. No resistance = bad sensor. It reduces the amount of the nitrogen oxides (NOx) in exhaust gases. Shell V-Power Diesel helps restore up to 100% of your engine’s performance by eliminating performance-robbing deposits from critical fuel system components like fuel injectors2. Since 2008 Clean Diesel Specialists has been a leader cleaning and maintenance of DPF, DOC and EGR components. 6 tdci. 4 Powerstroke has three primary emissions systems: DOC, DPF, and EGR. Identify Problem 2. A Dixon Autos offers DPF cleaning for vehicles in Blackburn, Chorley, Leyland, Burnley, Accrington, Darwen, Preston and surrounding areas. Variants of DPFs Cordierite Diesel Particulate Filter on GM 7. In internal combustion engines exhaust gas recirculation ( EGR) is a nitrogen oxide (NOx) emissions reduction technique used in petrol/gasoline and diesel engines. DPF cleaning interval. Your details were sent successfully! Auckland DPF solutions are here to cater for all your needs whether its advice or one of the following services, DPF Delete, Egr Removal, DPF Regeration. No more “how to clean EGR cooler on 6. Consult the relevant procedures in the Owners or Maintenance and Operation manuals. The EGR system redirects a small amount of exhaust gases back into the intake. So given the choice between $1400cdn for a new EGR valve from LR and the tune/ECU flash with EGR/DPC delete for about the same price, I went with the latter in the hopes of saving myself trouble + $10k repairs down the road with the emissions system when it inevitably craps out, with the added bonus of increased performance and fuel. Call Bernie: 07825 599 348. The UK's No. , Ltd. The EGR valve (Exhaust Gas Recirculation) is a mandatory engine part of all diesel and some petrol vehicles. Performance Restored-Dpf cleaning with comprehensive diagnostics-Terraclean- petrol and diesel-carbon clean-egr&turbo cleaning-live data diagnostics-mobile service (we come to you) top of page. At DPF Alternatives, we do more than just clean your DPF. 99 (for a car). This fluid protects the parts including the EGR valve and the particulate filter. Essex Tuning - DPF Cleaning in Ipswich. 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 emissions from diesel cars. So given the choice between $1400cdn for a new EGR valve from LR and the tune/ECU flash with EGR/DPC delete for about the same price, I went with the latter in the hopes of saving myself trouble + $10k repairs down the road with the emissions system when it inevitably craps out, with the added bonus of increased performance and fuel. 1, Win10 (32 + 64 bits) Multi-language: English,. DPF is normally self-cleaning but if something goes wrong, be that short cold drives as a rule or a mechanical issue, then. Over time, an existing DPF system will create poor fuel economy. Contact the Diesel Engine Cleaners Now. To delete an EGR system is a bit more involved, requiring blocking plates on the easiest end and new exhaust up-pipes on the more difficult side. With cleaner DPF filters comes a host of benefits, including: Trust The DPF Company for reliable and cost-effective filter. MPPS info. EGR also tends to reduce the amount of fuel burned in the power stroke. Check it’s clean and opening and closing freely. e. 8. Pic attached. So all together for the delete it comes to. The HHO Carbon Clean Systems can perform hydrogen carbon cleaning on any gas or diesel motor and is used to help remove carbon build-up on any type engine. Delivered as a carbon cleaning service through a. Deleting the DPF also removes the DOC. You may be able to save some money doing a bit of the maintenance yourself. Maintenance-free DPFs. Our contact information is below! 179 West Cohawkin Road, Clarksboro, New Jersey 08020. Safer and much more effectice to a throttle controller a ECU remap can be tailered to towing, touring or performance. 1st Step: Drain hot and cold sides of coolant. The EGR valve was designed to reduce exhaust NOx gas by diluting the O 2 in the incoming. It ensures the recovery of the original efficiency of the DPF and test backpressure before and after the cleaning cycle. To cut to the chase, there is no change in FreeSSM. 12070 Parklawn Drive. The backpressure is reduced, that means better air flow through the engine and. soot), which are created by burning fuel, from leaving the truck and getting into the air. In diesel engines, this amount can go as high as 60 percent. Saturday 09:00 - 17:00. At 30 Minute DPF Clean use state-of-the-art hydraulic machinery to clean particulate filters that include automated filter testing and certified air flow rates. Applications For diesel engines with all types of diesel particulate filter. Get a free quote: 0330 133 2366. Send. Used with BG Diesel EGR System Cleaner, PN PD10, and BG Diesel EGR System Rinse, PN PD11, the BG 64 Diesel VIA® will thoroughly clean the EGR valve, cooler and the EGR pathways leading to the intake manifold. £610. If you are looking underneath a diesel car, truck or van, the DPF device is an extra ‘box’ part of the exhaust system. -New Radiator Sales and Service. Unfortunately the. My wife’s 2008 VW Tiguan has a 2L diesel with DPF. An EGR valve is mounted on the exhaust manifold. Concrete and immediate results. To clean a blocked DPF, start by checking the instructions in the owner’s manual regarding this issue. 7L diesel between 2011 and 2017. Yelp is a fun and easy way to find, recommend and talk about what’s great and not so great in Highlands and beyond. Broward County Transit with their fleet of hundreds of Coach Buses and owns an FSX Heat cleaning DPF apparatus. If post-injection is used to initiate an active regeneration of the DPF, it also may be necessary (as in the Dodge/Cummins 6. You can remove the components from the truck or farm machine and let TA/Petro service them. We also offer mobile remapping and tuning in Worksop and around South and West Yorkshire. The cost to fully clean the DPF is $350; it's $49 for the DOC. 8 Isuzu. New Zealand. DPF Cleaning Carbon Cleaning Appointments available 5 days a week 9am-4pm 🌏Location LE73XA ☎️Phone: 0116 4825411 📧Email: centuriontuning@yahoo. . 13MM Socket (1/4″ drive is the best due to clearance) 3″ 1/4″ drive extension. #3 · Dec 30, 2013. The emission control device captures exhaust soot. A number of companies across the country offer such filter cleaning. # 5. During 2014, we expanded our services to include DPF, EGR & Auto Parts Cleaning. EGR System. co. They have chosen to use the Cobra Clean Biode. 6255 Webster St. What Is A DPF Filter. We ran the check and found the DPF had 37g soot accumulation. 2,489 likes · 22 talking about this. For more information about our services, send us a message or call us today. nz. See figures 1 and 2 below. Fuel Tech Experts Latest News and Articles Turbo Cleaning and Turbo Cleaners by Andy Published on Friday, August 19th, 2022. We recommend Oilsyn Diesel Dr/Petrol Dr or Archoil AR6400-P/AR6400-D MAX. List of cars with a DPF. EGR stands for Exhaust Gas Recirculation. An important piece of your preventative maintenance routine is keeping your diesel particulate filter (DPF) clean. DPF Alternatives provides the best DPF cleaning solutions available. 00. For this reason, many diesel truck owners opt to have a DPF delete done on their. After the accumulation of a minimum level of soot, a regeneration process will inject diesel (or another fluid) in attempt to increase exhaust temperature to a level high enough to combust the soot particles, resulting in an. Reuse Guidelines, Bulletin 4021600), the aftertreatment DPF should be returned to Cummins Inc. The company has five cleaning locations in key areas of the country and can fully restore both the DOC and DPF to like-new working order. • Remove the EGR filter from the DPF and swipe the inside of the exhaust pipe at the EGR filter connection point using a clean cloth or your finger. Then go out on a nice long highway drive to purge the DPF clean with heat. 7L Cummins DPF Delete Kit - DieselPowerUp. egr and dpf cleaning EGR (Exhaust Gas Recirculation ) systems can become clogged with carbon deposits that can cause reduced power, misfiring, smoking and reduced MPG in diesel vehicles. The filter is removed and the small window welded back into place, the whole unit is then refitted to the vehicle. 1. If you need turbocharger TFS cleaning, EGR cleaning, or DPF cleaning services in Sunshine Coast, Brisbane or Gympie, please contact our heavy diesel clean team by calling us on (07) 5630 1930 during open hours or after hours for emergency services on 0431 665 018. Remove sensor and check for resistance between pins. We are DPF Specialists and offer only Professional Services we have no sales people only Technicians. Here’s our top five tips on keeping your DPF clean and trouble free. Turbo EGR Cat & DPF cleaner (18) £9. The DPF will be covered under emissions warranty 80month/80k miles (I have 76,025mi. Check the diesel oxidation catalyst (DOC) filter assembly and check for any exhaust leaks. DPF Cleaning. 2016. Our advanced tool allow us to deactivate EGR system electronically, working on the ECU of the vehicle. This valve regulates exhaust gases that go into the engine. The Diesel Particulate Filter (DPF) is a filter within the engine’s exhaust system that reduces the emission from diesel vehicles.