P0497 OBD II Trouble Code Evaporative Emission System Low Purge Flow

Symptoms of P0497 OBD II Trouble Code

  • Slightly diminished fuel efficiency
  • The sound of a vacuum leak from the underhood area
  • Poor engine idle quality
  • In most cases, no symptoms will be exhibited

Common Causes of P0497 OBD II Trouble Code

  • Defective EVAP pressure sensor
  • Faulty EVAP purge solenoid/valve
  • Restricted EVAP canister element
  • Shorted or open circuit (wiring or connector) for the EVAP purge control solenoid/valve
  • Cracked, crimped, or collapsed vacuum lines/hoses

Severity of P0497 OBD II Trouble Code

This is an emissions related code. While it may slightly reduce fuel efficiency, there is no inherent danger involved. Symptoms of a P0497 code may include: