P1444 2003 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 2003 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 2003 Infiniti G35 Description
What are the Possible Causes of the DTC P1444 2003 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 2003 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 2003 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 2003 Infiniti G35 Code
What does the OBDII code P1444 mean for a 2003 Infiniti G35?
P1444 indicates a problem with the EVAP canister purge volume control solenoid valve, which regulates the flow of fuel vapors from the EVAP system to the engine.
What are the common symptoms of a P1444 code in a 2003 Infiniti G35?
Common symptoms include check engine light illumination, rough idle, poor fuel economy, and potential difficulty in starting the engine.
What could cause the P1444 code to trigger in a 2003 Infiniti G35?
Possible causes include a faulty EVAP canister purge valve, vacuum leaks, electrical issues like damaged wiring or connectors, or problems within the EVAP system.
How can I diagnose the issue related to the P1444 code?
You can start by visually inspecting the EVAP canister purge valve and associated hoses for damage or leaks, then use a scan tool to check for additional codes and monitor the valve operation.
What repairs might be necessary for a P1444 code?
Repairs could involve replacing the EVAP canister purge volume control solenoid valve, fixing any vacuum leaks, or repairing electrical connections related to the solenoid.
Can driving with a P1444 code cause further damage to my 2003 Infiniti G35?
While it may not cause immediate severe damage, it can lead to poor fuel efficiency and increased emissions, and it is advisable to address the issue to prevent potential engine performance problems.
Is it safe to clear the P1444 code and continue driving the vehicle?
Clearing the code may temporarily turn off the check engine light, but it is not a solution. It's best to diagnose and repair the underlying issue to ensure optimal vehicle performance.
How can I reset the check engine light after fixing the P1444 code?
You can reset the check engine light by using an OBDII scanner to clear the code, or by disconnecting the battery for a few minutes, but ensure the underlying issue is resolved first.
Will a faulty EVAP canister purge volume control solenoid valve affect emissions?
Yes, a faulty solenoid can lead to increased emissions due to improper fuel vapor management, which may cause your vehicle to fail an emissions test.
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