When the DPF filter reaches about 45% blockage the filter will begin “active regeneration” this means that the EGR (Exhaust gas Recirculation) valve is closed, the boost pressure from the turbo is increased slightly along with a slightly higher idle RPM. Diesel is then injected into the cylinders just after combustion so that it enters the

I bought a new Vauxhall Corsa in November 2012, 2 days after having the car and only driving about 10miles the DPF light came on. Most of my journeys are short, say nine miles, clear roads, but I do longer motorway driving three days a week. My problem is that the light now comes on every second day.

The trapped material must be emptied or burned off periodically to “regenerate” the filter. That regeneration process may differ from engine manufacturer to engine manufacturer — so be sure to ask about these factors: Load requirements or limitations: Does the engine need to operate at or above a certain load for regeneration to work Connect MX808 with OBD firstly. Before attempting a DPF regeneration, select “Auto scan” to scan the vehicle for engine codes, the DPF regeneration cannot occur while codes are present. Go to. Service >> DPF >> Hot functions >> DPF (Diesel Particulate Filter) manual regeneration >> Yes >> F-350 >> OK. Make sure the following initial
During a DPF regeneration the DPF itself and the exhaust get extremely hot, this can result in some unusual smells, especially if the car is new. In order to generate the heat required to burn off the stored soot inside the DPF the car essentially over-fuels and increase the engine RPM at idle, this can cause a temporary change in the driving
There is no "particulate" sensor but there are a pair of pressure sensors used to measure the differential pressure across the DPF. The differential pressure data is used to determine when a DPF regeneration is needed. I suspect the mechanic is referring to a one of the exhaust differential pressure sensors. bimmer-tool allows to read & clear fault codes, request DPF regeneration, read engine live data and much more in BMW cars. Try bimmer-tool lite to see whether the app is compatible with your BMW and your OBD adapter. For cars below model year 2008 application functionality is limited and K+DCan USB cable connection is recommended.
Some garages can clean blocked DPFs, in a process called forced regeneration. This usually costs around £100 and, while it’s not a 100% guaranteed fix, it’s usually successful in removing the excess soot and allowing the DPF to work and automatically regenerate again.
Roll forward to last week and I'm on the motorway when the dreaded DPF light came up. I dusted off the Carly and read the fault codes: 0452A - Info: Particulate Filter System. 04D4A - Particulate Filter System. 04A54 - Glow plug cylinder 2, Control. Checking the data and Ash Levels are now 66.71 and Soot Levels 5.09. J6ByE.
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    • how does bmw dpf regeneration work