Ford Escort - 97 1.8 failed MoT on emissions - high Lambda readi - bathtub tom
>>how's about fuel system cleaners and the like (Forte) do they kill cats?
I suppose they've got to be formulated to be benign to cats.
IIRC there was quite a discussion around the time petrol contaminated with silicon/silicone was damaging lambda sensors. Perhaps it was the sensors WD40 could damage.