Does the 2020 Passat Have a Particulate Filter?

1 Answers
ElenaLynn
07/30/25 10:22am
2020 Passat does not have a particulate filter. Function of the particulate filter: The particulate filter can reduce soot produced by diesel engines by more than 90%. The captured particulate emissions are then burned off during vehicle operation. Principle of the particulate filter: The diesel particulate filter is coated with metals such as platinum, rhodium, and palladium. The black smoke containing carbon particles emitted by the diesel engine enters the exhaust particulate trap through a dedicated pipeline. After passing through its densely arranged bag-type filter, the carbon particles are adsorbed on the filter made of metal fiber felt. When the adsorption of particles reaches a certain level, the burner at the end automatically ignites and burns, converting the adsorbed carbon particles into harmless carbon dioxide that is then discharged.
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