Car idling like shit

[boostedgst2984]

i have a 95gst with 6bolt in there. And ever since my air fuel guage stoped bouning my engine has idled like shit. it reads full lean on the guage. but when i get on it, it reads full rich. I dont get any CEL codes at all. How could i fix this problem

 

[Pulsr]

Maybe burnt o2 sensor?

 

[boostedgst2984]

thats what i think im gonna get one from a dealership near by since they give discounts to dsmer's hahahhh