Get the emissions book, I have a digital copy if you need one. Test each system, pay attention to the Air injection system, that is usually the main culprit. I have some extra ABVs floating around but I know they can be fixed pretty easily. Is your air-pump still working?
2010 4Runner Trail 3" Lift, UCAs, and 285 Goodyear Duratracs
1982 FJ40 Green 4" HFS Lift Resto Thread - (Mid - Resto)
email: akfarmerslb at gmail.com