Thought I would follow up on this in case anyone has the same problem. About a week after I made my last reply, the smell started to come back. So I r...

@scott-a-dixon Thanks for reply. Unfortunately I don't see any GFCI outlet in my house. I went around my house, checking the outlets in every room to ...

You're not going to believe this. It's been almost four days since I attempted to remove the P trap and I haven't smelled sewage out of my sink since....

@scott-a-dixon Yes, here's a picture. I assume that it's pvc. I am able to loosen the nuts on the pipe completely and expose the threads. After that, ...

@scott-a-dixon Surprisingly, I ran into an obstacle. The part of my P-trap that connects to the sewer pipe seems to be stuck on tight, even after lo...

@Scott Thanks. Guess this will be my first time opening up a P-trap.@Thesis3522 I just checked and the water stream is hitting the stopper. That's goo...

@scott-a-dixon Thanks for the reply and the tip. I tend to lean toward the "can't be too careful" concept when dealing with things like boilers and...