new faucet and drains led to sewer gas smell, Please Help!

[muddysandal]

I just made a simple install of new faucets and drains in my bathrooms, Nothing fancy, cleaned out the ptraps, water in ptraps, no leaks, but now I have a sewer gas smell that comes and goes. I replaced the wax flange on toilet thinking maybe it was old, still smells. How can I find the leak and smell? could I have cracked a pvc joint? I have crawled under the house and everything looks dry. Thanks for any help, MT

[shacko]

If you replaced the traps or took them out that is where I would start to look, your seal in a trap will not do anything for the joint where the trap ties into, checl the joint where the trap ties into the wall, sewer gas will seep out before water shows up, luck.