Engine Error
P0442
Evaporative Emission System Leak Detected (Small Leak)
Severity
Low
Symptoms
Check engine light, slight fuel odor around vehicle
Common Causes
- Loose gas cap
- Leaking vent valve
- Crack in charcoal canister
- Damaged EVAP hose
How to Fix
- 1 Tighten or replace gas cap
- 2 Replace EVAP vent solenoid
- 3 Inspect charcoal canister
- 4 Perform EVAP smoke test
Estimated Repair Cost
USD
$20
–
$400
Gas cap: $20; Vent solenoid: $150 - $300