Nissan Error Code P1446: How to Fix It

Q: Can I drive with Nissan error code P1446?

Yes, you can drive with P1446 as it's not immediately dangerous, but you should fix it soon. The error may cause rough idling, starting issues, and will prevent you from passing emissions tests.

Q: How much does it cost to fix P1446 on a Nissan?

DIY repair typically costs $50-150 for a new vent control valve. Professional repair ranges from $200-400 depending on labor rates and whether additional EVAP components need replacement.

Q: What causes the EVAP vent valve to fail?

Common causes include age-related wear, carbon buildup from fuel vapors, electrical connection corrosion, and damage from road debris or moisture. The valve contains moving parts that can stick over time.

Q: Will P1446 cause my Nissan to fail inspection?

Yes, P1446 will likely cause your vehicle to fail emissions testing in most states. The EVAP system must function properly to pass OBD2 inspection requirements.

Abstract

Nissan error code P1446 indicates your EVAP canister vent control valve is stuck closed or malfunctioning. This prevents proper fuel vapor ventilation and can cause starting issues or failed emissions tests. While not immediately dangerous, it should be addressed to maintain proper engine performance.