evap emissions leak

[jbp12]

[*]I have an 02 bonneville and Ive had my service engine light, on for a while now which for an emissions leak I have tired everything because my school has a auto shop we've replace both sensors that are involve also a fuel tank pressure sensor, something tells me its the gaskets for my fuel pump along with the lock on ring due to the several times ive taken out the fuel pump , can someone please help me figure out this annoying problem

[harofreak00]

You need a smoke machine to find the leak, you can make your own for about $30 or less: http://www.pontiacbonnevilleclub.com/fo ... 35820.html