the check engine light on Code P0496 on 2004 GMC Yukon Denali

the reading said Evap flow non-purge condition: EMC has detected pressure in the EVAP system during non-purge condition

by in Wolcott, CT on December 14, 2012
0 answers
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2005 Yukon Denali 6.0. Check Engine Light comes on. "OBD code P0496. Evaporative Emission System High Purge Flow" . I have replaced Gas Cap. Can clear error but eventually comes back on. Notice v...

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