09 silverado hard start after refuel. Code p0449 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 12-02-2015, 01:25 AM   #1
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Default 09 silverado hard start after refuel. Code p0449

I am getting a hard start are I get gas runs rough for a half mile or so then is fine.

I am also getting code p0449.
I have already replaced the purge valve and vent valve solenoid.

I have done research amd everthing has lead to the purge valve. Anyone have any ideas?
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