OBD Guide

P0497

EVAP System Low Purge Flow

P0497 is an OBD-II diagnostic trouble code meaning: EVAP System Low Purge Flow. Common causes: evap purge valve clogged, damaged or clogged evap system lines. Estimated repair cost: $33–111.

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

FAQ

What does the P0497 code mean?

P0497 is an OBD-II diagnostic trouble code that indicates: EVAP System Low Purge Flow

What causes a P0497 error code?

The most common causes of P0497 include: EVAP purge valve clogged; Damaged or clogged EVAP system lines; Purge solenoid valve (solenoid) malfunction; Problems with the purge valve wiring harness.

How do I fix a P0497 diagnostic trouble code?

To fix P0497: Check the EVAP purge valve for blockage.. Inspect the EVAP system pipes for damage. Check the resistance and power supply of the purge solenoid. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0497?

Limited driving only, diagnose soon

How much does it cost to fix P0497?

The estimated repair cost for P0497 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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