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P0496 Diagnostic Trouble Code Discussion for November 2013

EVAP Canister Purge System High Purge Flow

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Trouble Ticket Help Requests for DTC P0496
Help Request Posted
2006 GMC Envoy XL SLT 4.2L Poor Idle Quality VIN: 1GKET16S66
P0496: EVAP system flow during non-purge. We replaced purge solenoid and vent solenoid about a two weeks ago. Customer stated that check engine light came on the next day and would idle erratically and die at lights. She went to put gas in it and it started hard (she said it took five attempts to star...
November 20, 2013