All codes › P0449
P0449: Evaporative Emission System Vent Valve/Solenoid Circuit
What it means
The EVAP vent valve/solenoid electrical circuit has a fault.
Severity: Low Vent solenoid circuit fault; minor.
Common causes
- Failed vent solenoid
- Corroded connector near tank
- Damaged wiring
- Blown fuse
Most common causes first. Exact causes vary by make, model and engine.
Can I fix it myself?
Sometimes DIY. Inspect the connector near the tank for corrosion.
Repair cost
SEEDED ESTIMATE Roughly $80–$430
Most likely repair: evap purge/vent valve. Diagnosis fees, taxes and other causes are not included.
| Line | Low | High | Basis |
|---|---|---|---|
| EVAP purge/vent valve | $34 | $190 | Typical listed retail range, source |
| Labor 0.5–1.5 hr | $50 | $240 | $100–$160/hr, shop survey |
⚠️ This is an editorial placeholder range for this type of repair. It is not based on real invoices or licensed pricing data yet. Real ranges will appear here once enough reader invoices for P0449 are verified.
Verified reader invoices for P0449: 0. Share your repair bill to help build real costs.
Tools that can read P0449
- ScanFixAI: Pro $29.99/mo or $249.99/yr
- OBDAI: Annual PRO bundle $299
- BlueDriver Pro Next-Gen: $119.95 list ($99.95 sale seen)
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