Hi guys 

So yesterday I drove from Norfolk to West Yorkshire ~150 miles and noticed that now my car is idling a bit odd, will idle fine then the revs drop a little & it almost chugs a bit, then goes back to normal and the car idles ok again, then the cycle starts again. It doesn't cut out and no warning light.

I thought it was just doing a regen but it did it yesterday afternoon, evening, and today both times I've driven it. Ive now done probably 40 miles with it like it (that I've noticed