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P0496 Diagnostic Trouble Code Discussion for October 2008

EVAP Canister Purge System High Purge Flow

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Trouble Ticket Help Requests for DTC P0496
Help Request Posted
2005 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCHC24U95
P0496: EVAP Canister Purge System High Purge Flow. ... on and engine overheating. Found to have a bad fan clutch and evap vent valve--replaced and retested good. Now on to the Random missfire P0300. Miss fire detected on all cylinders, fuel trims look good, no vacuum leak fro...
October 08, 2008