Bugger, the post i have is about the pretty incredibly early British isles aw11 ecus which didnt appear to operate a cat above in britain, so no more information about what the O2 sensor does below. If available more recent rods with the bigger wrist pin need to be made https://4age20vitb26890.getblogs.net/59093736/the-fact-about-toyota-4age-for-sale-that-no-one-is-suggesting