DTC P0496: EVAP System - High Purge Flow: Condition

DTC P0496 is set when Engine Control Module (ECM) detects fuel tank internal pressure decreasing in fuel tank is more than specified after ECM has commanded EVAP canister purge valve closed. MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• ECM malfunction.
• EVAP canister purge valve (CPV) malfunction.
• Fuel Tank Pressure (FTP) sensor malfunction.