The Duramax LML has 4 main emissions systems: the EGR, DOC, SCR, and DPF. An LML “DPF delete” will remove the DPF, DOC, and SCR. Additionally, it will eliminate the need for DEF as well. The only remaining emissions system on your GM truck will be the EGR system. How To Clean A EGR VALUE, AIR INTAKE, INLET VALVES, AIR FLOW SENSOR & TURBO IN ONE GOUsing Wynns Diesel EGR 3 CleanerClean A EGR Value With Spray Without Rem It's a lot of work and expense. As long as the DPF regeneration is working, I can't see how soot would build in the intakes. So, I am thinking of keeping the DPF. It's almost no maintenance. I am not sure if I should keep the SCR. I assume the diesel smell is burned off by SCR, so I think it should be kept in tact (but am asking the forum what Yes, just the EGR delete is important Deleting the DPF will increase mileage and improve overall performance, but it doesn’t keep the engine cleaner. Personally, I think blocking off the EGR is more important than deleting the DPF, if you care about the engine. The DPF Power Cleaner has been engineered specifically for this purpose. Regular use of this product as a maintenance strategy reduces downtime for your diesel engine vehicle. When mild service is necessary, the Bluechem DPF Top Gun Cleaner combined with the High-Pressure Gun allows you to clean the DPF without removing it from the vehicle. Professional DPF cleaning. A reputable garage can clean your DPF, using the forced regeneration process. In most cases, this will remove the soot so you can drive your car safely. If taking your car for a long drive at a high speed has not resolved the issue, get the filter cleaned by a professional. The FSX cleaning procedure consists of: Initial multi-step inspection and testing. First pneumatic cleaning. Second multi-step inspection and testing. Thermal cleaning and second pneumatic cleaning. Final multi-step inspection and testing. To use FSX cleaning services, contact FSX at (360) 691-2999. STEP 1: Remove the engine cover and piping, and the sensors from the vehicle. Remove the engine cover and intake piping first, then proceed to the next step. You will need to unplug the EGT and O2 sensor plugs, as well as the pressure sensor plugs. If you do not know where these plugs are, they can be found along with the firewall if you look .

how can i clean my dpf without removing it