AutoCodes – Nissan – P0444 2007 Nissan Sentra

P0444 2007 Nissan Sentra 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 2007 Nissan Sentra 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 6,286

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 31, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0444 2007 Nissan Sentra 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 2007 Nissan Sentra - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open - AutoCodes.com — P0444 2007 Nissan Sentra Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open

What does this mean?

What are the Possible Causes of the DTC P0444 2007 Nissan Sentra?

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 2007 Nissan Sentra?

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 2007 Nissan Sentra 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.

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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 2007 Nissan Sentra Code

1. What does the OBDII code P0444 mean for a 2007 Nissan Sentra?

The OBDII code P0444 on a 2007 Nissan Sentra 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 on a 2007 Nissan Sentra?

Common symptoms of a P0444 code may include rough idling, decreased fuel efficiency, and the illumination of the Check Engine light on the dashboard.

3. What are the possible causes of a P0444 code on a 2007 Nissan Sentra?

Potential causes of a P0444 code include a faulty EVAP canister purge volume control solenoid valve, damaged wiring or connectors in the circuit, or a malfunctioning PCM (Powertrain Control Module).

4. How can I diagnose a P0444 code on my 2007 Nissan Sentra?

Diagnosing a P0444 code involves using an OBDII scanner to retrieve the code, visually inspecting the EVAP system components, checking the wiring and connectors for damage, and testing the purge volume control solenoid valve.

5. Can I still drive my 2007 Nissan Sentra with a P0444 code?

It is generally safe to drive your vehicle with a P0444 code, but it is recommended to address the issue promptly to prevent further damage and ensure optimal performance.

6. How can I repair a P0444 code on a 2007 Nissan Sentra?

Repairing a P0444 code may involve replacing the EVAP canister purge volume control solenoid valve, repairing or replacing damaged wiring or connectors, or resetting the PCM after fixing the issue.

7. Are there any DIY tips for fixing a P0444 code on a 2007 Nissan Sentra?

DIY tips for addressing a P0444 code include checking for loose or damaged connections, ensuring proper installation of the new solenoid valve, and clearing the code with an OBDII scanner after completing the repair.

8. How do I reset the Check Engine light after fixing a P0444 code on my 2007 Nissan Sentra?

To reset the Check Engine light, you can use an OBDII scanner to clear the code or disconnect the car battery for a few minutes to reset the PCM.

9. Can a P0444 code on a 2007 Nissan Sentra cause emissions test failure?

Yes, a P0444 code can cause your 2007 Nissan Sentra to fail emissions testing, as it indicates a problem with the EVAP system, which is essential for controlling vehicle emissions.

10. How often does a P0444 code occur in 2007 Nissan Sentras?

The occurrence of a P0444 code in 2007 Nissan Sentras can vary, but it is relatively common due to potential issues with the EVAP system components and circuits. Regular maintenance and inspections can help prevent this code from appearing.