[Diy_efi] Possible method of partial repair of damaged O2 sensor (was designed for O2)

[cobraman at insightbb.com]

While on your research trail, please look for other workable ways to "clean" 
your everyday lead gas corrupted O2 sensor - dip in acid for a week for 
example.  All this chemistry is above me but many on this list are experts on 
many subjects. TomS