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P0496 Diagnostic Trouble Code Discussion for December 2012

EVAP Canister Purge System High Purge Flow

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Trouble Ticket Help Requests for DTC P0496
Help Request Posted
2010 Chevrolet Express 3500 6.0L hard start
P0496: system flow during non purge. After fueling van it hard starts, (long crank time). If you disconnect purge line problem goes away. This only happens after you put gas in tank. Started getting evap codes before this problem came about. This van does have 300000 miles on it. When you run eva...
December 10, 2012