P1443 – EVAP Purge Control Valve Fault: Symptoms & Fix Guide
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P1443 – EVAP Purge Control Valve Fault: Symptoms & Fix Guide

P1443 – EVAP Purge Control Valve Fault: Symptoms & Fix Guide

09 Jul,2025

P1443 appears when there’s an issue with the EVAP purge control valve—responsible for recycling fuel vapors. It affects emissions and may trigger the check engine light.

P1443 – EVAP Purge Control Valve Fault: Symptoms & Fix Guide

What is P1443?

P1443 – EVAP Emission Control System Purge Valve Fault
This code means the EVAP (Evaporative Emission Control System) isn’t properly controlling fuel vapor release from the charcoal canister to the engine. The purge valve may be stuck open or closed.


⚠️ Common Symptoms

  • 🚨 Check Engine Light

  • 🛑 Failed emissions test

  • 💨 Fuel smell near vehicle

  • ⛽ Reduced fuel economy

  • 🔧 Rough idle or stalling


🔍 Causes of P1443

  1. 🔧 Faulty purge control valve

  2. 💨 Leaking or damaged EVAP lines

  3. 🌡️ Failing charcoal canister

  4. 🔌 Broken EVAP wiring or sensor connection

  5. 🧠 Faulty signal from ECU


🛠️ How to Fix P1443

✅ 1. Test and Replace the Purge Valve

👉 EVAP Valves & Emission Components →

✅ 2. Check Vacuum Hoses for Leaks

Use a smoke test or visually inspect for cracks.

✅ 3. Scan & Clear the Code After Repairs

A diagnostic scan will confirm whether repairs worked.


🚗 Common Vehicles with P1443

BrandModelsCommon Cause
TataTiago, Altroz, TigorStuck EVAP purge solenoid
HyundaiVerna, i10, SantroDisconnected vacuum line
HondaCity, Brio, AmazeFailing charcoal canister or wiring

🛒 Helpful Nayapurna Links


💡 Pro Tips

  • Regularly check for fuel smell—early sign of EVAP failure

  • Use only OEM-quality purge valves for proper function

  • EVAP codes won’t always affect performance but can fail you in pollution checks


Conclusion

The P1443 code is a clear sign that your EVAP system needs attention. Shop tested purge valves and emission parts from nayapurnaonline.com to drive worry-free and compliant.