Now, you do need an O2-sensor socket. It's just a socket with part of one side cut out so that you don't pinch the wires as you tighten it down. But they're like $8, tops, at Kragen. If you're at all ...

On this model, the sensor in question is located on the crankcase (not the cylinder head as many are). You’ll find it on the driver’s side of the crankcase, below the intake manifold. Replacing it ...