Engine-CodesInfiniti – P1446 Infiniti

P1446 Infiniti Code - EVAP Canister Vent Control Valve Close

Quick Answer

The P1446 Infiniti code indicates a problem with the EVAP (Evaporative Emission) system in the vehicle, specifically the Canister Vent Control Valve. Common causes include Faulty Canister Vent Control Valve, Wiring or electrical issues, Vacuum leaks in the EVAP system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1446 Infiniti indicates EVAP Canister Vent Control Valve Close.
Common causes
Common causes include Faulty Canister Vent Control Valve, Wiring or electrical issues, Vacuum leaks in the EVAP system.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1446 Infiniti Description

The P1446 Infiniti code indicates a problem with the EVAP (Evaporative Emission) system in the vehicle, specifically the Canister Vent Control Valve. The EVAP system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from escaping into the atmosphere. The Canister Vent Control Valve is a crucial component that controls the flow of vapors between the fuel tank and the charcoal canister.

OBDII Code P1446 Infiniti - EVAP Canister Vent Control Valve Close
P1446 Infiniti Code - EVAP Canister Vent Control Valve Close

Common Causes of P1446 Infiniti

  1. Faulty Canister Vent Control Valve
  2. Wiring or electrical issues
  3. Vacuum leaks in the EVAP system
  4. Clogged charcoal canister
  5. Fuel filler cap not sealing properly

Symptoms of P1446 Infiniti

  1. Check Engine Light is illuminated
  2. Reduced fuel efficiency
  3. Rough idle or stalling
  4. Strong fuel odor
  5. Difficulty starting the engine

How to Fix P1446 Infiniti

  1. Diagnose the issue using an OBD-II scanner to confirm the P1446 code.
  2. Inspect the Canister Vent Control Valve for proper operation and replace if necessary.
  3. Check the wiring and connections for any damage or corrosion and repair as needed.
  4. Test the EVAP system for leaks using a smoke machine and repair any leaks found.
  5. Clear the code and reset the Check Engine Light.

Cost to Fix P1446 Infiniti

The typical repair costs for addressing a P1446 Infiniti code can range from $150 to $400, depending on the specific cause of the issue and the labor rates in your area. Parts such as a new Canister Vent Control Valve or charcoal canister may need to be purchased, adding to the overall cost. It's always recommended to get a few quotes from different auto repair shops to ensure you're getting a fair price for the repair.

When is the Code Detected?

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

Need more information about the P1446 Infiniti code?

Need more information on how to fix the P1446 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1446 Infiniti code diagnosed by a professional: Find a repair shop in your area

Information for Specific Infiniti Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1446 Infiniti Code

No Frequently Asked Questions about P1446 Infiniti Code found.

Discuss the causes and fixes for P1446 Infiniti OBDII Code

Code P1446 Infiniti comments

No comments found for this page.