They might help get rid of the DPF warning for a while, but in the long term they're not only not a solution, but cost more than buying a new filter in the first place. There's also another method of DPF "cleaning", where they open up the filter housing, and actually replace the filter elements in it, then wield back the housing. Check engine light is on code P2463 DPF Restriction “Reduced Power” limp mode, goes away for a awhile when CEL is cleared but goes back to limp mode. Truck has 300k miles . Anyway I can clean the DPF filter without taking off the exhaust? Maybe like a spray cleaner via the temp sensor hole? Thanks! As an longtime owner of a DPF diesel I have the following thoughts about your question: Both DPF and engine don't like cold idling (wear on the engine due to cold oil, acidic combustion byproducts and clogging, especially since a cold diesel engine produces lots of soot and your engine oil starts cleaning only when warm). The particulate filter is used to capture and reduce the amount of harmful soot particles emitted from vehicles. These are mainly found in diesel vehicles. The particle filter is designed to catch soot particles inside. Later, when the particulate filter becomes clogged, the soot undergoes a chemical breakdown process called pyrolysis. Book a DPF Maintenance Clean DPF Deep Clean: For filters with moderate to severe build-up. If your filter has moderate to severe build-up then the DPF Deep Clean may be the only option to avoid a complete filter replacement. As part of the Deep Clean, our highly skilled technicians will inject a special cleaning agent into the filter to remove It seemed that the DPF Regen cycle was occurring more frequently. More jerky transmission shifts and hunting for a proper gear. Then the DIC displayed the DPF Filter full, Reduced power. What a fun experience driving this car from that point on. A truly gutless wonder. I scheduled an appointment with the dealer, and Voila!!! Professional DPF cleaners have access to expensive equipment that can cost upwards of $10,000. Clean your dpf at home. Residues are not necessarily taken away by the pressure wash as some spots might be overlooked. However, if you want your filter cleaning done more appropriately, there are services on the internet available that ease the The garage had numerous attempts at a regeneration and all failed. during my first set of dpf problems the diesel used to regenerate was not igniting and was therefor going into my oil sump and due to constant driving attempts at regeneration failing my oil level became high due to diesel contamination. recently i have had a new egr valve and a 6D52.