Engine Error
P0446
Evaporative Emission System Vent Control Circuit Malfunction
Severity
Low
Symptoms
Check engine light, difficulty filling gas tank
Common Causes
- Faulty vent solenoid
- Clogged vent filter
- Circuit wiring issue
- Bad charcoal canister
How to Fix
- 1 Replace vent solenoid
- 2 Replace vent filter
- 3 Repair wiring to solenoid
- 4 Inspect EVAP lines
Estimated Repair Cost
USD
$150
–
$500
Vent solenoid and filter: $150 - $400