Bugger, the posting i have is around the very extremely early UK aw11 ecus which didnt appear to operate a cat above in britain, so no further details about exactly what the O2 sensor does in this article. The five valve head is Toyota's bonus to the 4AG once the https://franciscosmeya.full-design.com/new-step-by-step-map-for-jdm-toyota-4a-ge-69562753