P0442
P0442 — EVAP Leak Small
1
Driver reports
1
Solved cases
1
Verified fixes
0
Wrong repairs reported
📊 Diagnostic Overview
Severity, cost and difficulty for P0442, based on data already on this page.
Severity
🟢 Low
Diagnostic Difficulty
Not enough data yet
System
Engine
Common Causes (based on confirmed repairs)
- P0442 = small evap leak. Start simple: 1) Tighten or replace gas cap — $10-20, fixes 30% of cases. 2) Inspect all rubber EVAP hoses for cracks. 3) Check charcoal canister for damage. 4) Test purge valve and vent valve. Professional smoke test needed for d 1 vehicle
📐 Diagnostic Difficulty reflects how many different repairs drivers have tried for P0442 and how often those attempts turned out to be the wrong fix — it is calculated from MyCarFault's own reports, not an official manufacturer rating.
⭐ MOST VERIFIED FIX FOR P0442
P0442 = small evap leak. Start simple: 1) Tighten or replace gas cap — $10-20, fixes 30% of cases. 2) Inspect all rubber EVAP hoses for cracks. 3) Check charcoal canister for damage. 4) Test purge valve and vent valve. Professional smoke test needed for d
Worked in 0% of voted outcomes
·
Verified by 0 drivers
⚪ Unverified
Most Verified Fixes for P0442
Ranked by confidence score — same vehicle matches weighted higher.
Driver Reports — P0442 1 report
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