AutoCodes – Nissan – P0444 2008 Nissan Pathfinder

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

Quick Answer

This system controls flow rate of fuel vapor from the Evaporative Emission System (EVAP) canister. Common causes include Faulty Evaporative Emission (EVAP) Purge Solenoid Control, Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted, Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection. 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 Evaporative Emission (EVAP) Purge Solenoid Control, Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted, Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection.
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.
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Code Popularity 2,650
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0444 2008 Nissan Pathfinder Description

This system controls flow rate of fuel vapor from the Evaporative Emission System (EVAP) canister. The opening of the vapor by-pass passage in the EVAP canister purge volume control solenoid valve changes to control the flow rate. The EVAP canister purge volume control solenoid valve repeats ON/OFF operation according to the signal sent from the Engine Control Module (ECM). The opening of the valve varies for optimum engine control. The optimum value stored in the ECM is determined by considering various engine conditions. When the engine is operating, the flow rate of fuel vapor from the EVAP canister is regulated as the air flow changes.
The EVAP canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the ECM. The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.
OBDII Code P0444 2008 Nissan Pathfinder - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open - AutoCodes.com
P0444 2008 Nissan Pathfinder Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open

What are the Possible Causes of the DTC P0444 2008 Nissan Pathfinder?

  • Faulty Evaporative Emission (EVAP) Purge Solenoid Control
  • Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted
  • Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection

How to Fix the DTC P0444 2008 Nissan Pathfinder?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0444 2008 Nissan Pathfinder code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0444 2008 Nissan Pathfinder code?

Need more information on how to fix the P0444 2008 Nissan Pathfinder code? Get Access to Factory Service Manuals

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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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