P1444 2004 Infiniti G35 Code - EVAP Canister Purge Volume Control Solenoid Valve
Quick Answer
This system controls the flow rate of fuel vapor from the EVAP canister. Common causes include Faulty EVAP control system pressure sensor, Faulty EVAP canister purge volume control solenoid valve (The valve is stuck open.), Faulty EVAP canister vent control valve. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1444 2004 Infiniti G35 indicates EVAP Canister Purge Volume Control Solenoid Valve.
- Common causes
- Common causes include Faulty EVAP control system pressure sensor, Faulty EVAP canister purge volume control solenoid valve (The valve is stuck open.), Faulty EVAP canister vent control valve.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1444 2004 Infiniti G35 Description
What are the Possible Causes of the DTC P1444 2004 Infiniti G35?
- Faulty EVAP control system pressure sensor
- Faulty EVAP canister purge volume control solenoid valve (The valve is stuck open.)
- Faulty EVAP canister vent control valve
- Faulty / Broken EVAP canister
- Hoses (Hoses are connected incorrectly or clogged)
How to Fix the DTC P1444 2004 Infiniti G35?
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 P1444 2004 Infiniti G35 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 P1444 2004 Infiniti G35 Code
1. What does the OBDII code P1444 mean on a 2004 Infiniti G35?
The P1444 code indicates a problem with the EVAP Canister Purge Volume Control Solenoid Valve, which is responsible for controlling fuel vapor flow from the EVAP system to the intake manifold.
2. What are common symptoms of code P1444 on a 2004 Infiniti G35?
Symptoms may include the check engine light being illuminated, a noticeable fuel smell, poor fuel economy, or difficulty starting the engine.
3. What causes the P1444 code to be triggered?
Common causes include a faulty EVAP canister purge solenoid valve, clogged or damaged EVAP hoses, electrical issues like a short or open circuit, or a malfunctioning EVAP system vent control.
4. How do I diagnose the P1444 code on a 2004 Infiniti G35?
Diagnosis involves checking for vacuum leaks, inspecting the EVAP canister purge solenoid valve for proper operation, testing the electrical circuit, and using a scan tool to monitor EVAP system performance.
5. Can I drive my 2004 Infiniti G35 with the P1444 code?
While the vehicle may still be drivable, it’s not recommended to ignore the code because it can lead to poor fuel efficiency, increased emissions, and potentially damage other components over time.
6. How do I repair the P1444 code on a 2004 Infiniti G35?
Repairs may include replacing the EVAP canister purge solenoid valve, repairing or replacing damaged EVAP hoses, or fixing electrical wiring issues in the circuit.
7. How much does it cost to fix the P1444 code on a 2004 Infiniti G35?
Repair costs vary but typically range from $150 to $300 depending on whether the issue is with the solenoid valve or other EVAP components.
8. What tools are needed to fix the P1444 code?
You may need a diagnostic scan tool, a multimeter for electrical testing, and basic automotive tools to access and replace the EVAP components.
9. Can a bad gas cap cause the P1444 code on a 2004 Infiniti G35?
A bad gas cap is unlikely to cause the P1444 code, as this code specifically relates to the EVAP canister purge solenoid valve. However, it’s still worth inspecting the cap as part of the broader EVAP system.
10. How can I prevent the P1444 code from recurring?
Regularly inspect the EVAP system components, ensure proper maintenance, and avoid overfilling the fuel tank to prevent damage to the EVAP system.
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