purge solenoid valve

I am getting uber frustrated with this 09 Lucerne cxl 3.9. I got code p0443 and failed nj inspection. I changed the purge valve and the connector and the vent valve. Still getting the code. I unhooked the battery the light goes off until i use the remote start then it goes right back on. Anyone...

So I'm getting some a check engine light and it seems the evap system has a minor leak. Here is the code and description: *P0442* - GMType Powertrain - Auxiliary Emission Controls - ISO/San ControlledDescription EVAP System Small Leak Detected ConditionsCause No IAT, MAP, ODM or TP sensor codes...