Bugger, the article i have is over the extremely very early UK aw11 ecus which didnt manage to run a cat above in the united kingdom, so no further data about what the O2 sensor does here. Excellent auto items and great customer service. My third buy from JJH and https://4age-20v-itbs82592.ka-blogs.com/79952711/4age-20v-turbo-engine-for-sale-fundamentals-explained