DTC P0497: Evaporative Emission System Low Purge Flow

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P0497 - EVAPORATIVE EMISSION SYSTEM LOW PURGE FLOW

Description: The PCM monitors the complete evaporative emission (EVAP) control system for low purge flow.
Possible Causes: Aftermarket EVAP hardware that does not conform to the required specifications Holes or cuts in the fuel vapor hoses/tubes Capless fuel tank filler pipe damaged or not sealed correctly Loose fuel vapor hose or tube connections to the EVAP system components EVAP system component seals leaking at or near the EVAP purge valve
Diagnostic Aids: Verify the capless fuel tank filler pipe is sealed correctly. Check for loose or damaged vapor hoses. Visually inspect the EVAP canister inlet port.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST HZ .