P0441 code, The new purge valve pulses when engine is warmed up and both black lines are attached. I've "blown" out the lines coming and going out of the purge valve.
There are no breaks in any of the vac lines coming or going to the switch-over valve under the w/w resevoir.
The Cel comes back on after about 20 miles of the code being cleared. What am I missing and what can I check next? I need to pass the state inspection yesterday.

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