Snarkdoodle no drive.

[fuzzzz]

Hello, I've built the snarkdoodle but when I turn it on it only bosts my signal. I got sound when the pedal is bypassed and when its on but no drive at all.
The vol pot works fine, but gain pot does nothing.
I have checked the polarity of the capacitors and the diode, and the values of capacitors and resistors, everything is OK.
I did not find a cd4049UBE so i'm using a NFC4049UBE I found in a local store.

WHILE I WAS WRITTING THIS I ACCIDENTALLY TOUCHED THE SOLDER SIDE IN THE SOCKET OF THE IC AND IT MADE A VERY LOUD SOUND (LIKE FEEDBACK) AND SUDENLY THE PEDAL WORKS PERFECTLY.
I DONT UNDERSTAND ANYTHING.

I'm afraid that if I turn the pedal off it will not work again...
Could somebody help me please...?

[oldhousescott]

Check for a short or solder bridge between pins 2 and 3 or between pins 3 and 4 on the socket. Make sure your IC is seated fully in the socket.

[mgwhit]

If there's really still a problem, you need to replicate that problem if you expect anyone to help you fix it.  Turn it off, disconnect power, reconnect power, turn it on again.  Any drive?  If not, post some pictures and let us know if you have a DMM.

[gtr2]

It could be an "intermittent" cold solder joint based on the "pop" and suddenly works description...

Josh