Bugger, the report i have is around the pretty pretty early United kingdom aw11 ecus which didnt seem to operate a cat in excess of in the UK, so no more details about what the O2 sensor does here. The high res injectors have another clip to low res injectors https://4a-ge-engine-for-sale83715.frewwebs.com/27277432/the-best-side-of-blacktop-4age