1999 Ford Crown Victoria Check Engine Light Stayed On Due Having Remove Back

My check engine light has stayed on due to me having to remove the back catalytic converters, because the honey-comb material on the inside was blown into my exhaust muffler causing it to overheat. If i replace the converters with new ones, will my check engine light go out? The code reads lean in bank two & I've already replaced the O2 sensors.