Home ← Back
HomeOBD-II Codes › P0443

P0443 — EVAP Purge Control Valve Circuit

Low Severity  ·  Emissions

OBD-II code P0443 means your vehicle's ECU detected: EVAP Purge Control Valve Circuit. Below: causes, step-by-step fixes, and repair cost — free, no signup needed.

Low severity — safe to drive in most cases. Clear the code and monitor. If it returns, have it inspected.
Typical Repair Cost
$50–$300
Parts + labor, national average
Severity
Low
Monitor — low urgency
🔍

Common Causes of P0443

  • Failed purge valve
  • Wiring issue
🔧

How to Fix Code P0443

1
Test purge valve electrical circuit
2
Replace purge valve ($50–$150)

FAQ — Code P0443

What does OBD-II code P0443 mean?
P0443 means your vehicle's onboard computer detected: EVAP Purge Control Valve Circuit. This is a low-severity code in the Emissions category.
How much does it cost to fix code P0443?
Typical repair cost for P0443 is $50–$300 including parts and labor. Costs vary by vehicle make, model, and location. A free scan at AutoZone or O'Reilly is a good first step.
Can I drive my car with code P0443?
Code P0443 is low severity. In most cases you can drive normally, but clear the code and monitor whether it returns.
What are the most common causes of P0443?
The most common causes are: Failed purge valve, Wiring issue. Always start with the cheapest diagnosis step before replacing parts.
Will code P0443 clear itself?
Code P0443 will clear itself after the underlying issue is fixed and the ECU completes several successful drive cycles. Clearing it without fixing the root cause only masks the problem temporarily.

Is P0443 showing on your car?

Enter your VIN for a free vehicle-specific report — recalls, specs, and market value. No signup required.

🔗

Related Emissions Codes

📋

Browse All OBD-II Codes

OBD-II code data is based on SAE J2012 standards and general repair industry data. Repair costs are national averages and vary by vehicle, location, and shop. Always consult a qualified mechanic for a diagnosis specific to your vehicle.