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P0455 with gas overflow when tank is full

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      Msandman02
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      2005 Colorado extended cab 3.5l

      Check engine light and code p0455 is on. No smell of gas. At any gas station when i fill the tank all the way the nozzle clicks off and then immediately about a pint of gas spits back out. I read that it could be the vent valve solenoid being stuck but i dont understand why it would only cause a spill at the end of filling. Thoughts?

      I removed the charcoal canister and blew through it and it doesnt seem clogged. I am replacing the vent valve solenoid, the filler neck, and gas cap tomorrow. What do you think my next step should be if those things dont work?

      Thank you,
      Michael

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