GEN 1 P0456 ghost

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KTag98

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Joined
Jun 30, 2019
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Location
Missouri
Been chasing this stupid code for 6 months. New Canister Purge Valve, New Canister Vent solenoid, and i can't find any bad spots in the wiring.

code is intermittent, probably only presents 20% of the time below 50 degrees, and 60% of the time above 50 degrees. Primary symptom is the inability to fill the truck with gas at any more than a snails pace any time the code is present. (cant even be on the first pump notch, it just kicks off and you can hear the pressure venting back up the filler neck)

i'm running out of ideas short of just replacing the whole canister, with hoses and all. any suggestions?
 
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