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Diagnose/P0497
P0497Low SeverityEmissions

Evaporative Emission System Low Purge Flow

What This Means

The evaporative emission system low purge flow has been detected by the engine computer. This affects the emission control system and may cause increased tailpipe emissions.

Common Symptoms

  • Check engine light on
  • Failed emissions test
  • No driveability change
  • Diagnostic code stored

Common Causes

  • Faulty emission control valve
  • Wiring damage
  • Relay or fuse failure
  • Connector corrosion
  • PCM circuit issue

Estimated Repair Cost

$100 – $500
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.