Engine Error
P0449
Evaporative Emission System Vent Valve/Solenoid Circuit
Severity
Low
Symptoms
Failed emissions test, check engine light
Common Causes
- Defective EVAP vent solenoid
- Wiring issue to the vent valve
- Dirt or debris clogging the vent valve
- Corroded electrical connector
How to Fix
- 1 Test and replace EVAP vent solenoid
- 2 Repair wiring harness
- 3 Clean vent valve and hoses
- 4 Clean connector contacts
Estimated Repair Cost
USD
$80
–
$300
Vent solenoid and labor: $150 - $300