is my o2 sensor bad

[4g63tsiawd]

I just got my data logger today put it in ran a log at idle the o2 sensor stayed at 0.02 and wouldn't change and the low fuel trim stayed at 86% and wouldn't move no matter where I adj. the s afc too. Any suggestions

 

[airbrat]

more than likely if its holding steady. take it on the road and if your 02's aren't bouncing up and down then they're definitely bad.