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P0496 Diagnostic Trouble Code Discussion for February 2015

EVAP Canister Purge System High Purge Flow

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Trouble Ticket Help Requests for DTC P0496
Help Request Posted
2004 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNEK13Z54
P0496: EVAP Canister Purge System High Purge Flow. has anyone ran across this before where there is something else causing this code? all seems to test out ok but vehicle returns in about a month with code. could low fuel cause this with fuel tank pressure switch? any help would be thankful. thanks in advance
February 12, 2015