I have 2010 3008 2.0 hdi automatic woth the dw10cted4 engine I'm currently getting a strange what I can only describe as an engine shudder when I left off the accelerator at speed or shall I say under boost if I drive 1st 2nd all the way up to 5th its fine I'll accelerate to over take or speed up in 5th or 6th and I can feel it start to shudder if I let of the accelerator it's shudders through the whole car I can mimic it by on and off the accelerator continuously and it will do it some days it wont do it at all
I have diagbox and no faults found all readings I.e injectors egr turbo boost etc are within the limits
All help greatly appreciated