so the gross emissions leak turn out to be the rear fuel evap canister. The screws holding the rear evap canister to the bracket had stripped out of the canister and the canister was just hanging by a hose, the other hose had come unhooked, screwed the canister back to the bracket and hooked the hose back up and the code is gone. Still trying to determine what is causing the p0305 code, changed plugs/wires etc. but the code is still there.

 

Could be a failed PCV valve, a blown plenum gasket, or even a failing injector. In that order of probability, too.

 

^ he's been drinking again....