Diesel Particulate Filter (DPF): Structure - Function - Diagnosis

In our video crash course, we give you an all-round look at the diesel particulate filter (DPF). Learn more about the design, function and diagnosis of diesel particulate filters.

For exhaust gas aftertreatment, specifically to reduce soot emissions, particulate filters are installed in the exhaust tract of diesel vehicles. The diesel particulate filter (DPF) stores the solid particles that are not completely burned in the engine. These nanoparticles, reduced in size, are very harmful to humans and the environment. The inside of the soot particle filter consists of a ceramic filter with many small channels.

Further information on this topic can be found on the HELLA TECH WORLD in the technical chapter: https://www.hella.com/techworld/uk/Te...

HELLA TECH WORLD is the workshop portal that supports workshops and mechanics in their daily work by providing quick parts identification, diagnostic and repair information as well as technical product information.
The HELLA company stands for high-performance lighting technology and automotive electronics, and at the same time for a broad service and product portfolio in the spare parts and workshop business.


00:00  Getting started
00:29  General information on the diesel particulate filter
00:53  Structure of a diesel particulate filter
02:00  Functional principle of a diesel particulate filter
03:41  Diagnosis of a diesel particulate filter

Important safety note:
The following technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their day-to-day work. The information provided on this website is intended for use by suitably qualified personnel only.

Further links
HELLA TECH WORLD: https://www.hella.com/techworld


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