P0444 2004 Nissan Altima Sedan 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 2004 Nissan Altima Sedan 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.
Code P0444 2004 Nissan Altima Sedan Description
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.
What are the Possible Causes of the DTC P0444 2004 Nissan Altima Sedan?
- 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 2004 Nissan Altima Sedan?
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.
Code Tech Notes
2004 Nissan Altima Factory Service Bulletin OBDII Code P0444
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0444 2004 Nissan Altima Sedan 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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Frequently Asked Questions about P0444 2004 Nissan Altima Sedan Code
1. What are common symptoms of OBDII code P0444 in a 2004 Nissan Altima Sedan?
- Common symptoms include the Check Engine light illuminating on the dashboard, rough idling, decreased fuel efficiency, and potential difficulty starting the vehicle.
2. What does the OBDII code P0444 on a 2004 Nissan Altima Sedan indicate?
- OBDII code P0444 indicates a problem with the EVAP Canister Purge Volume Control Solenoid Valve Circuit being open.
3. What are possible causes of the EVAP Canister Purge Volume Control Solenoid Valve Circuit being open in a 2004 Nissan Altima Sedan?
- Possible causes include a faulty purge volume control solenoid valve, damaged wiring or connectors in the circuit, or a malfunctioning ECM (Engine Control Module).
4. How can I diagnose the issue causing OBDII code P0444 in my 2004 Nissan Altima Sedan?
- Diagnosis involves checking the purge volume control solenoid valve for proper function, inspecting the wiring and connectors for any damage, and using a diagnostic tool to scan for ECM errors.
5. Can I continue driving my 2004 Nissan Altima Sedan with OBDII code P0444?
- It is generally not recommended to continue driving with this code present, as it can lead to more severe issues over time and may affect the vehicle's performance.
6. How can I repair the EVAP Canister Purge Volume Control Solenoid Valve Circuit issue in my 2004 Nissan Altima Sedan?
- Repair may involve replacing the faulty purge volume control solenoid valve, repairing any damaged wiring or connectors, or resetting the ECM after fixing the issue.
7. Is it possible to clear the OBDII code P0444 in a 2004 Nissan Altima Sedan without fixing the underlying issue?
- Clearing the code without addressing the root cause is not recommended, as the problem will likely reoccur, and unresolved issues can lead to further damage to the vehicle.
8. Are there any DIY tips for troubleshooting OBDII code P0444 in a 2004 Nissan Altima Sedan?
- DIY tips include checking for loose or damaged wiring, testing the purge volume control solenoid valve for proper function, and ensuring all connections are secure.
9. How much does it typically cost to repair OBDII code P0444 in a 2004 Nissan Altima Sedan at a mechanic or dealership?
- Repair costs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor at a mechanic or dealership.
10. Can I prevent OBDII code P0444 from recurring in my 2004 Nissan Altima Sedan?
- Regular maintenance, such as checking and replacing the EVAP system components as needed, can help prevent the recurrence of OBDII code P0444 in your Nissan Altima Sedan.
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