p0497
Moderate
Acura · Sedans
Evaporative Emission Control System Low Purge Flow
Quick Answer
Error code P0497 on your Acura Sedans means: Evaporative Emission Control System Low Purge Flow. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
DE3/DE4DC5/DN2DN2NC1KC1UA6CU2
Likely Causes
  1. Faulty canister purge control valve
  2. Blocked fuel vapor hose
  3. Fuel tank pressure sensor malfunction
  4. Vacuum leak in EVAP system
  5. Charcoal canister saturation
How to Fix It
1
Inspect all fuel vapor hoses for blockages
2
Test purge control valve solenoid resistance
3
Check fuel tank pressure sensor signal
4
Verify vacuum supply to purge valve
5
Replace canister if charcoal is saturated
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Purge control valve
Fuel vapor hoses
Charcoal canister
Related Error Codes
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