Bugger, the post I've is around the really pretty early UK aw11 ecus which didnt manage to run a cat around in britain, so no excess details about exactly what the O2 sensor does right here. The five valve head is Toyota's bonus into the 4AG once the 4AGZE went https://toyota4ageengineforsale16926.blogaritma.com/26525408/the-best-side-of-blacktop-4age