p0498
Moderate
Acura · Sedans
Evaporative Emission Control System High Purge Flow
Quick Answer
Error code P0498 on your Acura Sedans means: Evaporative Emission Control System High Purge Flow. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect purge control valve for sticking
2
Check fuel tank pressure sensor operation
3
Verify integrity of all EVAP hoses
4
Test vacuum regulator function
5
Replace purge valve if stuck in open position
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 tank pressure sensor
Vacuum hoses
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