All codes › P0443
P0443: Evaporative Emission System Purge Control Valve Circuit
What it means
The EVAP purge valve's electrical circuit has a fault.
Severity: Low Purge valve inoperative; minor.
Common causes
- Failed purge solenoid
- Damaged connector
- Wiring short or open
- Blown fuse
Most common causes first. Exact causes vary by make, model and engine.
Can I fix it myself?
Often DIY. Check the purge valve connector; replace the valve.
Repair cost
SEEDED ESTIMATE Roughly $60–$350
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 0.3–1 hr | $30 | $160 | $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 P0443 are verified.
Verified reader invoices for P0443: 0. Share your repair bill to help build real costs.
Tools that can read P0443
- 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)
The Check Engine Weekly
One email a week: new AI diagnostic tools, real repair costs from reader invoices, and one code explained.
Newsletter launching soon.