Once warmed up, your O/2 sensor should put out .1 volts at full lean and .9 to 1.0 volts at full rich. Jim 6147 "cruznmd" <racuti1@xxxx> wrote: >Can you ruin an O2 sensor with a super-over rich condition or with >excessive heat, say from a glowing cat? > >The dwell meter on my car says the lambda computer and hence the freq >valve are not operating properly. > >Since I've been told by multiple sources that the ECU almost -never- >dies, the O2 sensor is the most logical next item. The problem is, >mine's nearly new. I did have it installed way back when my fuel >system was totally hosed. I got the cat converter to glow cherry red >a few times. > >Thanks, > >Rich > > > >To address comments privately to the moderating team, please address: >moderators@xxxx > >For more info on the list, tech articles, cars for sale see www.dmcnews.com > >To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews > >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > >