1998 buick dtc 442 when will it end

:runaround:hi its me again just finished changing the proportion valve (back brake) now i got dtc 442 evap small leak i need to do emission test by oct. so now i have to find the problem it is one thing after another on this car my question is has anybody had this problem and what did you do for fix.where is best place to start. for this code.

You have a small leak in the EVAP system. Rather than rewrite the book on this subject, Click Here (http://www.automotiveforums.com/vbulletin/showthread.php?t=622473) for what the code means & what to check. Good luck!

thanx hotZ28 for answering and thanx GMmerlin very good stuff.(gas cap code) unfortunately i cleared code but at least i now know how to aproach this problem thanx again.