P0497

2017-10-10

Description:

  • The fault code P0497 indicates that there is low purge flow in the evaporative emission (EVAP) system. This can cause issues with emissions and may trigger the check engine light.

Possible Symptoms:

  • Illuminated check engine light

  • Failed emissions testing

  • Decreased fuel economy

  • Rough idle or stalling

Possible Causes:

  • Faulty EVAP purge valve

  • Blocked or clogged EVAP canister

  • Leaking or damaged EVAP hoses

  • Faulty fuel tank pressure sensor

  • Defective engine control module (ECM)

Related Parts:

  • Purge Flow Sensor: This sensor helps to prevent fuel vapors in the fuel tank from escaping into the atmosphere. Problems lead to fuel loss

Possible Solutions:

  • Replace faulty EVAP purge valve

  • Clean or replace the EVAP canister

  • Inspect and replace any leaking or damaged EVAP hoses

  • Replace faulty fuel tank pressure sensor

  • Replace defective engine control module (ECM)

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