Bugger, the posting I've is to the really quite early United kingdom aw11 ecus which didnt appear to operate a cat above in the united kingdom, so no added details about what the O2 sensor does listed here. This engine constantly problems about trifles and it’s not about reliability, but https://emilianovsqqk.aioblogs.com/80469365/getting-my-4age-for-sale-to-work