p0442
Moderate
Subaru · SUVs & Crossovers
EVAP System Leak Detected (small leak)
Quick Answer
Error code P0442 on your Subaru SUVs & Crossovers means: EVAP System Leak Detected (small leak). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check and tighten or replace gas cap
2
Visually inspect all EVAP hoses for cracks
3
Test purge valve operation
4
Use smoke tester to locate leaks
5
Check fuel tank for cracks or damage
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
Gas cap
EVAP hoses
Purge valve
Smoke tester
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