p0442
Moderate
Genesis · SUVs
EVAP System - Leak Detected (Small)
Quick Answer
Error code P0442 on your Genesis SUVs means: EVAP System - Leak Detected (Small). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Visually inspect fuel door cap and sealing surface
2
Check all EVAP hose connections and integrity
3
Inspect purge control valve operation
4
Perform EVAP smoke test to locate leak
5
Test canister purge solenoid
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 (OEM)
EVAP hose kit
Purge control valve
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