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There is a video about the diesel particulate filter on my channel (part 1): • Diesel particulate filter - do you need it? Yes... This is a continuation of the story, but with a sad ending. Causes of diesel particulate filter failure Despite the rather practical ability of the diesel particulate filter to self-clean, it is impossible to completely exclude the possibility of clogging of this element. The filter element can become clogged under the influence of the following factors: - Insufficient warming up of the car engine - Low fuel quality - Malfunctions that provoke a failure in the operation of sensors - Malfunction in the engine Clear signs of incorrect operation of the diesel particulate filter are problems with starting the engine (a clogged filter element creates significant back pressure at the outlet) and a decrease in engine power. Symptoms of filter clogging also include a hissing sound accompanying engine operation, increased fuel consumption and an increase in the oil level in the engine. Even if the owner of the vehicle decides to replace the diesel particulate filter, this does not guarantee that he will not have problems in the future. Given our climate conditions and low fuel quality, the filter rarely works more than half of the period set by the manufacturer. To get rid of problems associated with the particulate filter, you can disable it at a specialized service center.