2005 Spyder GT
Disconnected all O2 sensors? Do you mean replaced?New (and final) update. I decided to go ahead and change all of my intake gaskets, empty the fuel rail, and disconnect all of the O2 sensors. I don't know which one of them did it but she's running like she's brand new now. Thank everyone for pointing me in the right direction and sticking with me from the beginning!
Sounds to me like it was probably a leak in one of the gaskets.