Tricks to Maintain Diesel Particulate Filters and Make Them Last Long Since 2011, all diesel engine vehicles have been required to have a diesel particulate filter or DPF. This filter helps in lowering the quantity of dangerous particles that the diesel exhaust discharges. The filter captures these materials and prevents them from entering the air and harming your car. As a responsible car owner, you would want to keep your DPF in perfect working condition for as long as possible, right? You can do it with these tricks:  Clean the DPF The DPF works by collecting and oxidizing soot, unburned fuel or lubricant oil, and turning it into ash. The ash is placed behind the filter where it accumulates over time and needs to be removed. This is where cleaning comes in.  It is important to perform routine maintenance on all parts of the DPF because certain new ones can cost thousands of dollars. Thankfully, you can increase proper system performance and profit while reducing downtime and service expenditures by being proactive with your service intervals. In an ideal world, the diesel vehicle would carry out the regeneration cycles of the DPF filters. But the world has its flaws. The vehicle’s regeneration can be hampered by