850r failing emissions miserably (HC and CO) Topic is solved

[JayPea44]

Finally got around to testing this thing and it passed with flying colors.

HC - 0.0727
CO - 1.032

NOx even went down a little too.

I have to say it seems likely the o2 sensor was the culprit all along, although running some tehcron, 91 octane, and the MAF cleaner, along with the stage 0 probably helped a bit too.

Thanks everyone for the help - now I can get on with some more fun work.