P0444 2004 Nissan Maxima 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 Purge Solenoid Control harness is open or shorted, Evaporative Emission 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 Maxima indicates EVAP Canister Purge Volume Control Solenoid Valve Circuit Open.
- Common causes
- Common causes include Faulty Evaporative Emission (EVAP) Purge Solenoid Control, Evaporative Emission Purge Solenoid Control harness is open or shorted, Evaporative Emission 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 Maxima 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 Maxima?
- Faulty Evaporative Emission (EVAP) Purge Solenoid Control
- Evaporative Emission Purge Solenoid Control harness is open or shorted
- Evaporative Emission Purge Solenoid Control circuit poor electrical connection
How to Fix the DTC P0444 2004 Nissan Maxima?
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 2004 Nissan Maxima 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 Maxima Code
1. What does the OBDII code P0444 mean on a 2004 Nissan Maxima?
Code P0444 indicates an "EVAP Canister Purge Volume Control Solenoid Valve Circuit Open," meaning there is an electrical issue with the purge valve circuit in the EVAP system.
2. What are the symptoms of a P0444 code on a 2004 Nissan Maxima?
Common symptoms include a lit check engine light, a possible fuel smell, reduced fuel efficiency, and in some cases, difficulty starting the vehicle.
3. What causes the P0444 code on a 2004 Nissan Maxima?
The most common causes are a damaged or disconnected EVAP purge solenoid wiring harness, a faulty purge solenoid, corroded electrical connectors, or a blown fuse.
4. Can I drive my 2004 Nissan Maxima with a P0444 code?
Yes, you can drive with this code, but it is not recommended for extended periods as it can lead to increased emissions and potential fuel system issues.
5. How do I diagnose the P0444 code on a 2004 Nissan Maxima?
Start by inspecting the wiring and connectors for the EVAP purge solenoid. Check for loose connections, corrosion, or damaged wires. Use a multimeter to test the solenoid’s resistance.
6. How do I fix the P0444 code on a 2004 Nissan Maxima?
Repairs may include reconnecting or replacing damaged wiring, cleaning corroded connectors, replacing the EVAP purge control solenoid, or replacing a blown fuse.
7. Where is the EVAP Canister Purge Volume Control Solenoid located on a 2004 Nissan Maxima?
The purge solenoid is typically located near the engine, often mounted on or near the intake manifold.
8. What tools do I need to fix a P0444 code on a 2004 Nissan Maxima?
You’ll need a multimeter, basic hand tools, electrical contact cleaner, and possibly a replacement purge solenoid valve.
9. Will a P0444 code cause my vehicle to fail an emissions test?
Yes, the P0444 code indicates an EVAP system issue, which can cause your car to fail an emissions test due to increased hydrocarbon emissions.
10. How much does it cost to repair a P0444 code on a 2004 Nissan Maxima?
The cost can vary, but replacing the EVAP purge solenoid typically ranges from $50–$150 for parts, plus labor costs if done by a mechanic.
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