Takes 2 hours to remove DPF. Make sure u use penetrating spray like bolt off. Even then I had to cut one fwd stud off. Leave the 3 sensors in DPF and remove on bench. The large one is an air/fuel ratio sensor keep it clean. And bag it. The other 2 are EGT sensors. First I used compressed. Did a 350 km trip and even fuel economy was lower - about 1 liter less per 100km. Today after I started the engine, an EML came out. I read the codes and saw the following: 11A700 The Fill Level Of The Diesel Particulate Filter Is Too High. 13AF00 The Soot Content Of The Diesel Particulate Filter Is Too High. Tried to clear them but no luck. But driving another, senseless twenty miles just to satisfy a requirement to clean the DPF is ridiculous. Past owner of 1997 F350 PSD, 1999 F550 4 x 4 PSD, 2001 F350 4 x 4 PSD, and currently a Chevy Siverado 2500HD, LTZ Allison/Duramax 4 x 4 - the most comfortable ride yet. Clearing the message will only make the message disappear temporarily and not correct the problem. 4. Guide the customer to their Owners Manual or Diesel Engine Supplement and review the information titled: “Diesel Particulate Filter”, in order to familiarize them with the operation of the system. 5. Moreover, if the cleaning is not done properly, the thin layer of precious metals is damaged and no longer plays its role as a filter. Your car then pollutes as much as if it were not fitted with a filter. Receive up to €250 by recycling your DPF and/or Catalytic converter ! Catalytic converter recycling Liqui Moly DPF Cleaner. 2. Cataclean 6160 DPF Cleaner. 3. Wynn’s DPF Cleaner. 4. Wurth Diesel Particulate Cleaner. In this review, we look at the best DPF (Diesel Particulate Filter) cleaners on the market for your Nissan Qashqai and explain why they are so important. DPF filters are fitted as standard on all modern Nissan Qashqai’s and can Short of driving for an extended period of time at highway speeds to force an active regeneration cycle, there is little that one can do to clean their vehicle’s DPF filter themselves. In fact, properly cleaning a face-plugged DPF filter requires the use of specialized equipment and chemicals, most of which are quite expensive and difficult Maintaining the DPF (Diesel Particulate Filter) I was a little apprehensive when I bought my 2 litre diesel Insignia as I knew that my usual mileage was not up to maintaining the DPF in good condition. I previously had a Zafira and although this too was a diesel, it was prior to DPF's so I did not have that worry. Automotive experts say that a good DPF particulate filter is one which filters 80% of the particles. A lot can go wrong if there’s a problem with the DPF. Some common problems include the filters getting clogged with soot, which prevents them from functioning properly. The role of a DPF is to filter soot, which can cause environmental damage The DPF Maintenance Clean is a preventative treatment designed for drivers making a lot of short, low-speed trips, when the engine isn't getting hot enough to burn off excess soot. This product works by lowering the point at which the soot burns off. This DPF Maintenance Clean should be carried out every six months to keep your engine free from odX8Xb.