Had a bit of a spend this last couple of weeks. The Auris (the 1.33L oil burner) hasn't felt 'right', a harsh rough exhaust note both at speed and under acceleration and generally just feeling a bit sluggish and not very eager and responsive. A few months ago there was a similar situation (but it was very much worse back then) and it was suspected the manicat was blocked. After diagnosing and confirming that at the time it was cleaned as an experiment using a DPF cleaning machine... unchart