P1446 on Nissan
Nissan EVAP canister vent control valve fault (valve closed)
Severity: Severity not verified — if the car runs badly, have it inspected
This is an EVAP emissions fault and owners report a check engine light and fuel blowing back at the pump, but no Nissan document read for this page rates how soon it needs attention.
This page covers only what differs on Nissan. For what P1446 means, the ranked causes and the test order, see the P1446 guide.
What's different on Nissan
NissanYour car
2004–2005 · Sentra
Supported by vehicle dataThree Sentra owners report P1446 as the EVAP canister vent control valve with fuel blowing back when refuelling (complaints 688389, 957880, 719248). No Nissan bulletin was found in the local cache.
2004 · Titan
Supported by vehicle dataA 2004 Titan owner reports P1446 vent valve closed; a new vent valve solenoid cleared it for only two days (complaint 1431128).
1999 · Quest
Supported by vehicle dataA 1999 Quest dealer diagnosed P1446 as a vent control valve and canister problem, with spider webs in the canister (complaint 374886).
Sources and review
- NHTSA complaint ODI 688389: 2004 Nissan Sentra, fuel blows back at refuelling with P1446
- NHTSA complaint ODI 957880: 2005 Nissan Sentra, P1446 EVAP canister vent control valve
- NHTSA complaint ODI 1431128: 2004 Nissan Titan, P1446 vent valve closed, repeat blow-back
- NHTSA complaint ODI 374886: 1999 Nissan Quest, P1446 and spider webs in the canister
- Last reviewed
- Written by
- Saurabh K.
- Editorial review
- Pending
- Technician review
- Technician review pending
This page explains what a code usually means; it is not a substitute for a professional inspection. How we source and review · Report an error