I have a 2005 2.4 Toyota alphard, my 02 sensor has gone on the 2nd cat, I don't really want to spend £181 at the moment, just after Christmas, everything is abit tight

hello 2nd cat 2.4 only have on cat thats right at the front at the manifold they have 2 02 sensors one on the cat at the front and one at the down stram below the cat if you pm me your reg no. i will give you part no.s and a drrawing where the sensors locted and point you in the right direction where to buy from .