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Engine-Codes – Nissan – P0444 2008 Nissan Pathfinder

P0444 2008 Nissan Pathfinder Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open

Quick Answer

The P0444 diagnostic trouble code (DTC) for a 2008 Nissan Pathfinder indicates an issue with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve Circuit being open. Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, Corroded or damaged wiring in the solenoid valve circuit, Loose or disconnected electrical connectors. 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
P0444 2008 Nissan Pathfinder indicates EVAP Canister Purge Volume Control Solenoid Valve Circuit Open.
Common causes
Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, Corroded or damaged wiring in the solenoid valve circuit, Loose or disconnected electrical connectors.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 05, 2024
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Code P0444 2008 Nissan Pathfinder Description

The P0444 diagnostic trouble code (DTC) for a 2008 Nissan Pathfinder indicates an issue with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve Circuit being open. The EVAP system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from being released into the atmosphere. The Canister Purge Volume Control Solenoid Valve regulates the flow of fuel vapor from the charcoal canister to the engine intake manifold for combustion.

OBDII Code P0444 2008 Nissan Pathfinder - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open
P0444 2008 Nissan Pathfinder Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open

Common Causes of P0444 2008 Nissan Pathfinder

  1. Faulty EVAP Canister Purge Volume Control Solenoid Valve
  2. Corroded or damaged wiring in the solenoid valve circuit
  3. Loose or disconnected electrical connectors
  4. Faulty PCM (Powertrain Control Module)
  5. Vacuum leaks in the EVAP system

Symptoms of P0444 2008 Nissan Pathfinder

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

How to Fix P0444 2008 Nissan Pathfinder

  1. Diagnose the issue using a scan tool to verify the P0444 code and conduct a visual inspection of the EVAP system components.
  2. Test the EVAP Canister Purge Volume Control Solenoid Valve for proper operation and check for any wiring or connector issues.
  3. Replace the faulty solenoid valve if necessary and repair any damaged wiring or connectors.
  4. Clear the DTC and perform a drive cycle to ensure the issue has been resolved.
  5. Retest the vehicle to confirm that the code does not return and that the EVAP system is functioning correctly.

Cost to Fix P0444 2008 Nissan Pathfinder

The typical repair costs for addressing a P0444 code on a 2008 Nissan Pathfinder 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 factor in additional costs for diagnosis time and labor rates, which can vary based on the location and type of repair shop. It's recommended to consult with a professional mechanic for a more accurate estimate based on your specific circumstances.

When is the Code Detected?

An excessively low voltage signal is sent to ECM through the 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 P0444 2008 Nissan Pathfinder Code

1. What does OBDII code P0444 mean for a 2008 Nissan Pathfinder?

The code P0444 on a 2008 Nissan Pathfinder indicates a problem with the EVAP Canister Purge Volume Control Solenoid Valve Circuit being open.

2. What are the common symptoms of a P0444 code in a 2008 Nissan Pathfinder?

Common symptoms of a P0444 code may include rough idling, poor fuel efficiency, and the illumination of the check engine light on the dashboard.

3. What are the possible causes of a P0444 code in a 2008 Nissan Pathfinder?

The P0444 code in a 2008 Nissan Pathfinder can be triggered by issues such as a faulty purge valve, damaged wiring, a loose electrical connection, or a problem with the EVAP system.

4. How can I diagnose a P0444 code in a 2008 Nissan Pathfinder?

Diagnosing a P0444 code involves using an OBDII scanner to retrieve the specific code, inspecting the wiring and connections to the purge valve, and testing the functionality of the purge valve itself.

5. What is the repair process for a P0444 code in a 2008 Nissan Pathfinder?

To repair a P0444 code, you may need to replace the faulty purge valve, repair any damaged wiring or connections, clear the error code with an OBDII scanner, and test the vehicle to ensure the issue is resolved.

6. Can a P0444 code in a 2008 Nissan Pathfinder cause any serious damage to the vehicle?

While a P0444 code may not directly cause serious damage to the vehicle, it can lead to decreased fuel efficiency and drivability issues if left unresolved.

7. How much does it typically cost to repair a P0444 code in a 2008 Nissan Pathfinder?

The cost of repairing a P0444 code in a 2008 Nissan Pathfinder can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

8. Can I continue driving my 2008 Nissan Pathfinder with a P0444 code?

It is generally not recommended to continue driving a vehicle with an unresolved P0444 code, as it can lead to further complications and potentially affect the performance of the vehicle.

9. How long does it take to repair a P0444 code in a 2008 Nissan Pathfinder?

The repair time for a P0444 code in a 2008 Nissan Pathfinder can vary depending on the extent of the issue, but it may typically take a few hours to complete the diagnostic and repair process.

10. Are there any preventative measures to avoid a P0444 code in a 2008 Nissan Pathfinder?

To prevent a P0444 code, it is advisable to regularly inspect and maintain the EVAP system components, such as the purge valve, to ensure they are functioning properly and not causing any issues.

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