Blocked Diesel Particulate Filter. The diesel particulate filter dpf is best described as the ticking time bomb in most modern diesels. A blocked diesel particulate filter will hinder the flow of gas through the exhaust system preventing the gas from passing through the exhaust at the right rate.
This is usually done once the filter becomes very blocked and the car goes into limp mode. Tunap was the first. This lowers the temperature that the soot burns at meaning it can be cleared just with normal driving.
To collect particulate fuel that has not completed com busted which is incompletely com busted fuel.
The diesel particulate filter dpf is best described as the ticking time bomb in most modern diesels. Similar to egr problems the dpf can become clogged up from city driving where the car does not get up to temperature. Dpfs can also fail due to poor servicing. Vehicles operating at low speeds on short journeys are unable to meet the requirements for the filter to clean itself.