I have 2006.y 2,2 d-cat 165000km and very offen appear check engine symbol.After diagnostic I always get p2002 code.This code may encompass a variety of reasons But in case same time engine is working great with full power,not any smokes only cruise control doent work because check engine light is on.After some days check engine light disappear byself.Maybe somebody have experience or same problem please comment.And what are the symptoms when DPF is plugged?What parameters should check if connect vci ?Thanks