OBD Guide

P0497

EVAP System Low Purge Flow

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Check Engine light comes on
  • Slight increase in fuel consumption
  • Smell of gasoline in the cabin

Causes

  • EVAP purge valve clogged
  • Damaged or clogged EVAP system lines
  • Purge solenoid valve (solenoid) malfunction
  • Problems with the purge valve wiring harness

How to Fix

  1. Check the EVAP purge valve for blockage.
  2. Inspect the EVAP system pipes for damage
  3. Check the resistance and power supply of the purge solenoid
  4. Replace faulty components

Related codes

Error P0497 by Vehicle Brand