vehicle is surging at idle rough idle and rpm goes 3000 back to idle

What is your question?

surging idle from 700 rpm to 3000 rpm 2 or 3 times then idles rough and stalls replaced IAC control valve and throttle postion sensor chacked vachum while running 20 in of vachum and holds get 2 codes PO2195 PO2197 O2 sensors stuck lean been told that both sensors wont go at same time just replaced converters because one came apart and vehicle wouldnt run now i have this surging and rough idle and stall