Engine-CodesInfiniti – P0447 2004 Infiniti G35

P0447 2004 Infiniti G35 Code - Evaporative Emission Control System Vent Control Circuit Open

Quick Answer

The P0447 code indicates a problem with the Evaporative Emission Control System Vent Control Circuit in a 2004 Infiniti G35. Common causes include Faulty vent control solenoid, Damaged wiring or connectors in the vent control circuit, Clogged charcoal canister. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0447 2004 Infiniti G35 indicates Evaporative Emission Control System Vent Control Circuit Open.
Common causes
Common causes include Faulty vent control solenoid, Damaged wiring or connectors in the vent control circuit, Clogged charcoal canister.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0447 2004 Infiniti G35 Description

The P0447 code indicates a problem with the Evaporative Emission Control System Vent Control Circuit in a 2004 Infiniti G35. The evaporative emission control system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from being released into the atmosphere. The vent control circuit is a crucial component of this system, as it controls the flow of vapors into the engine for combustion.

OBDII Code P0447 2004 Infiniti G35 - Evaporative Emission Control System Vent Control Circuit Open
P0447 2004 Infiniti G35 Code - Evaporative Emission Control System Vent Control Circuit Open

Common Causes of P0447 2004 Infiniti G35

  1. Faulty vent control solenoid.
  2. Damaged wiring or connectors in the vent control circuit.
  3. Clogged charcoal canister.
  4. Loose or damaged gas cap.
  5. Evaporative emissions system leak.

Symptoms of P0447 2004 Infiniti G35

  1. Check Engine Light illuminated on the dashboard.
  2. Decreased fuel efficiency.
  3. Strong fuel odor.
  4. Rough idle or stalling.
  5. Difficulty starting the vehicle.

How to Fix P0447 2004 Infiniti G35

  1. Begin by diagnosing the specific cause of the P0447 code using a diagnostic scanner to pinpoint the exact issue.
  2. Inspect the vent control solenoid, wiring, and connectors for any signs of damage or corrosion. Replace any faulty components.
  3. Check the charcoal canister for clogs or damage. Clean or replace as necessary.
  4. Inspect the gas cap for proper sealing. Replace if loose or damaged.
  5. Perform a smoke test to identify any leaks in the evaporative emissions system. Repair any leaks found.

Cost to Fix P0447 2004 Infiniti G35

The typical repair costs for addressing a P0447 code in a 2004 Infiniti G35 can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate. Additionally, rates may be higher at dealerships or metropolitan areas, while independent shops may offer more competitive pricing.

Tech Notes for P0447 2004 Infiniti G35

Before replacing any parts, check for damage EVAP canister and for loose hoses from the vent control valve to the canister.

When is the Code Detected?

An improper voltage signal is sent to Engine Control Module (ECM) through Evaporative Emission System (EVAP) canister vent control valve.

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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 P0447 2004 Infiniti G35 Code

1. What are the common symptoms of OBDII code P0447 in a 2004 Infiniti G35?

- Common symptoms include the check engine light illuminating, decreased fuel efficiency, and a strong gasoline odor from the vehicle.

2. What does the OBDII code P0447 in a 2004 Infiniti G35 indicate?

- This code indicates an issue with the Evaporative Emission Control System Vent Control Circuit being open, causing a potential leak in the system.

3. What are the possible causes of OBDII code P0447 in a 2004 Infiniti G35?

- Possible causes include a faulty vent control valve, damaged wiring or connectors in the vent control circuit, or a malfunctioning ECM (Engine Control Module).

4. How can I diagnose the cause of OBDII code P0447 in my 2004 Infiniti G35?

- A diagnostic scan tool can help pinpoint the exact cause by reading the code and performing tests on the vent control valve, wiring, and ECM.

5. Can I still drive my 2004 Infiniti G35 with OBDII code P0447?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent further damage and ensure proper emissions control.

6. How can I repair OBDII code P0447 in my 2004 Infiniti G35?

- Repair typically involves replacing the faulty vent control valve, repairing any damaged wiring or connectors, and resetting the ECM to clear the code.

7. Are there any DIY tips for fixing OBDII code P0447 in a 2004 Infiniti G35?

- While some may attempt the repair themselves, it is recommended to have a professional diagnose and repair this code to ensure proper functioning of the emission control system.

8. Will OBDII code P0447 cause my 2004 Infiniti G35 to fail an emissions test?

- Yes, having this code present can cause your vehicle to fail an emissions test due to the potential leak in the Evaporative Emission Control System.

9. How much does it typically cost to repair OBDII code P0447 in a 2004 Infiniti G35?

- The cost of repair can vary depending on the exact cause of the code, but it may range from $150 to $400, including parts and labor.

10. How long does it take to repair OBDII code P0447 in a 2004 Infiniti G35?

- The repair time can vary based on the extent of the issue, but it typically takes 1-2 hours to diagnose and fix the problem associated with this code.

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