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P0496 Diagnostic Trouble Code Discussion for August 2019

EVAP Canister Purge System High Purge Flow

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Trouble Ticket Help Requests for DTC P0496
Help Request Posted
2010 GMC Acadia SLT 3.6L backfired VIN: 1GKLVNED2A
P0496: purge flow during non purge time. lady cranked and blew air filter housing up ..purge flow going on i think and gas guage is pegged on FULL .might have second proplem fuel pressure guage is spazzing out so fast between 30 psi to 65 psi at idle ..settles down at 2,000 rpm to 45 psi ..anyone...
August 12, 2019