p0455
Moderate
Genesis · SUVs
EVAP System - Leak Detected (Large)
Quick Answer
Error code P0455 on your Genesis SUVs means: EVAP System - Leak Detected (Large). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Verify fuel door cap condition and fit
2
Inspect all EVAP hoses for visible damage
3
Check canister connections at engine bay
4
Perform smoke test to locate large leaks
5
Inspect fuel filler hose for cracks
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
Fuel cap replacement
EVAP canister
Fuel filler hose
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