Nissan P1446: EVAP Canister Vent Valve Malfunction (Closed)

Is your scanner showing Nissan P1446?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Nissan P1446: EVAP Canister Vent Valve Malfunction (Closed)

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$100-$200
Can I Still Drive?
:
Yes (Short-term only)

What Does The Nissan P1446 Code Mean?

EVAP canister vent control valve remains closed under specified driving conditions.

What Are The Potential Causes Of The Nissan P1446 Code?

  • Charcoal canister is saturated with fuel or moisture
  • Control system pressure sensor is damaged or has failed
  • Canister vent control valve is damaged or has failed
  • Canister vent control valve rubber tube is blocked/bent
  • Water separator is damaged or has failed
  • PCM has failed

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Dorman 911-561 Vapor Canister for Select Nissan Models
>>> EVAP CONTROL SYSTEM PRESSURE SENSOR Nissan
>>> Evaporative Emissions System Lines Fits Sentra (2017 - 2019)
>>> Separator Water. Fits Frontier (2003 - 2004)
>>> Nissan Engine Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

ENGINE CONTROL SYSTEM SERVICE MANUAL for P1446 – Pages 502-507.

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