I know Cale on his V6, but has anybody else? It's o2 Sensor Circuit Low Voltage, Bank 1 Sensor 2 which is the post cat sensor.
Nobody at Autozone had ever heard of it and could only suggest cleaning out the plug which I just got done doing.
The guy at Casper Electronics said possibly a fuse going bad but there's not a fuse for the o2 sensor that I know of, is there?
Everybody at Thunderracing is totally clueless about this.
I figure if it's just a dirty terminal or a fuse then somebody with an LS1 has to have had this also since o2 sims are used a lot more with these engines than V6's.

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2000 Red Camaro w/t tops, Y87 and 5spd
Mods: FTRA, K&N, Whisper Lid, 180* thermostat, Jet Chip Stage II, custom high flow cat, 3" S pipe, American Thunder Catback #17133, removed spare and jack
60': 2.244(best: 2.234)
1/8: 9.886 @ 70.74mph
1/4: 15.362 @ 90.04mph(best: 90.89mph)
(@Idalou, Tx where a stock LS1 can only pull a low 14)
http://www.geocities.com/ttop34/Camaro.html