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MrSweet1991, i used to only do reasonably long trips in this car but when i changed to short trips the dpf started erroring.
I figured out that it was not active regening but due to the previously long trips it never caused an issue as it was still passively slow oxidising. I renewed thermostats, exhaust gas temp sensors, glow plugs.
Got a c110 scanner to monitor and clear errors. Got it active regening again, but now have deflapped and it seems to definately block the dpf sooner.
As soon as the ecu logs the 480a error for partial dpf block it will not active regen. I can't force a regen with the c110, only clear codes logged. Thus the ecu will not even try to active regen for the max driving profile of around 250miles as clearing the codes dummies the ecu to believe there is no need for a regen...yet as soon as it generates a code...it will not regen.
A bit of error loop in the dpf regen cycles program logic me thinks
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