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P1446 2003 Infiniti G35 Code - EVAP Canister Vent Control Valve Close

Quick Answer

The P1446 code on a 2003 Infiniti G35 indicates a problem with the EVAP (Evaporative Emission Control System) Canister Vent Control Valve. Common causes include Faulty EVAP Canister Vent Control Valve, Damaged or corroded wiring connected to the valve, 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 2003 Infiniti G35 indicates EVAP Canister Vent Control Valve Close.
Common causes
Common causes include Faulty EVAP Canister Vent Control Valve, Damaged or corroded wiring connected to the valve, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P1446 2003 Infiniti G35 Description

The P1446 code on a 2003 Infiniti G35 indicates a problem with the EVAP (Evaporative Emission Control System) Canister Vent Control Valve. This valve is responsible for controlling the flow of fuel vapor from the fuel tank to the charcoal canister. When the valve is closed, it prevents fuel vapors from escaping into the atmosphere, helping to reduce emissions.

OBDII Code P1446 2003 Infiniti G35 - EVAP Canister Vent Control Valve Close
P1446 2003 Infiniti G35 Code - EVAP Canister Vent Control Valve Close

Common Causes of P1446 2003 Infiniti G35

  1. Faulty EVAP Canister Vent Control Valve
  2. Damaged or corroded wiring connected to the valve
  3. Vacuum leaks in the EVAP system
  4. Clogged charcoal canister
  5. Issues with the fuel cap not sealing properly

Symptoms of P1446 2003 Infiniti G35

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

How to Fix P1446 2003 Infiniti G35

  1. Diagnose the issue using a scan tool to confirm the P1446 code and pinpoint the exact cause of the problem.
  2. Inspect the EVAP Canister Vent Control Valve and associated wiring for any signs of damage or corrosion.
  3. Test the valve to ensure it is functioning properly, and replace it if necessary.
  4. Check for any vacuum leaks in the EVAP system and repair as needed.
  5. Clear the code from the vehicle's computer and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1446 2003 Infiniti G35

The cost of repairing a P1446 code on a 2003 Infiniti G35 can vary depending on the specific cause of the issue. In general, replacing the EVAP Canister Vent Control Valve can range from $150 to $300, including parts and labor. Additional costs may apply if there are other components that need to be replaced or repaired. It's important to note that labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate.

When is the Code Detected?

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

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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 2003 Infiniti G35 Code

1. What are the common symptoms of OBDII code P1446 in a 2003 Infiniti G35?

- Common symptoms include the Check Engine Light illuminating, poor fuel efficiency, and a strong smell of gasoline.

2. What does the OBDII code P1446 for a 2003 Infiniti G35 indicate?

- The code P1446 indicates a fault with the EVAP Canister Vent Control Valve Close in the vehicle's evaporative emissions system.

3. What are the possible causes of OBDII code P1446 in a 2003 Infiniti G35?

- Possible causes include a malfunctioning EVAP canister vent control valve, a stuck closed valve, a damaged vacuum hose, or a faulty evaporative emissions system pressure sensor.

4. How can I diagnose the OBDII code P1446 in my 2003 Infiniti G35?

- Diagnosing the code may involve visually inspecting the EVAP system components, checking for damaged hoses, testing the vent control valve, and using an OBDII scanner to gather data from the vehicle's computer.

5. Can I continue driving my 2003 Infiniti G35 with the P1446 code?

- It is not recommended to continue driving with the P1446 code illuminated, as it can lead to decreased fuel efficiency and potential damage to the vehicle's emissions system.

6. How can I repair the OBDII code P1446 in my 2003 Infiniti G35?

- Repairing the code may involve replacing the EVAP canister vent control valve, repairing or replacing damaged hoses, clearing the code with an OBDII scanner, and performing a drive cycle to ensure the issue is resolved.

7. Will resetting the Check Engine Light resolve the OBDII code P1446 in a 2003 Infiniti G35?

- Simply resetting the Check Engine Light may temporarily clear the code, but it will likely return if the underlying issue with the EVAP system is not addressed.

8. How much does it typically cost to repair the OBDII code P1446 in a 2003 Infiniti G35?

- The cost of repair can vary depending on the specific issue and whether you choose to do the repairs yourself or take your vehicle to a mechanic. Replacement parts and labor costs should be considered.

9. Can a DIY enthusiast fix the OBDII code P1446 in a 2003 Infiniti G35?

- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to diagnose and repair the P1446 code by following repair guides and using OBDII diagnostic tools.

10. How often does the OBDII code P1446 occur in a 2003 Infiniti G35?

- The occurrence of the P1446 code can vary from vehicle to vehicle, but it is not an uncommon issue in the 2003 Infiniti G35 model due to the complexity of the EVAP system.

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