I took out the solenoid on the intake it was clean and works fine. I tested it using a couple wires off the battery and had my son blow through it and it seems to be working fine. Both solenoids are working so does that mean the charcoal box is bad?
I got this code and I changed the evap vent solenoid that's above the spare tire. The gas cap looks fine. Not sure what else to do. Any help would be appreciated. It's a 08 Tahoe with a the 5.3.
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