p0442
Moderate
Kia · Sedans
EVAP System - Small Leak Detected
Quick Answer
Error code P0442 on your Kia Sedans means: EVAP System - Small Leak Detected. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check fuel cap for cracks or damage and replace if needed
2
Inspect all EVAP hoses for cracks or disconnection
3
Check purge control valve operation
4
Perform smoke test to identify leak location
5
Clear code after repairs and verify
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
EVAP hose
Purge control valve
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