P0444 Infiniti Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open
Quick Answer
This system controls the 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 Infiniti 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 Infiniti 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. ON/OFF from the ECM pulses move the EVAP canister purge volume control solenoid valve. The longer the ON pulse, the greater the fuel vapor flow through the valve.
The Diagnostic Trouble Code (DTC) will be set when an excessively low voltage signal is sent to ECM through the valve.
What are the Possible Causes of the DTC P0444 Infiniti?
- 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 Infiniti?
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 Infiniti 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.
Need more information about the P0444 Infiniti code?
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Information for Specific Infiniti Models
- P0444 2003 Infiniti G35 — EVAP Canister Purge Volume Control Solenoid Valve Circuit Open
- P0444 2004 Infiniti G35 — EVAP Canister Purge Volume Control Solenoid Valve Circuit Open
- P0444 2005 Infiniti G35 — EVAP Canister Purge Volume Control Solenoid Valve Circuit Open
- P0444 2006 Infiniti G35 — EVAP Canister Purge Volume Control Solenoid Valve Circuit Open
Frequently Asked Questions about P0444 Infiniti Code
What does the OBDII code P0444 mean on an Infiniti?
Code P0444 indicates an open circuit in the EVAP Canister Purge Volume Control Solenoid Valve, which disrupts the vehicle's ability to purge fuel vapors into the intake manifold.
What are the symptoms of the P0444 code on an Infiniti?
Common symptoms include the check engine light turning on, reduced fuel efficiency, difficulty starting the engine, and possibly a faint fuel smell.
What causes the P0444 code on an Infiniti?
Typical causes include a faulty purge control solenoid valve, damaged wiring or connectors in the circuit, or corrosion affecting electrical connections.
Can I drive my Infiniti with the P0444 code?
While you may be able to drive, it's not recommended as the issue can impact fuel vapor management, reduce efficiency, and potentially cause further damage over time.
How do I diagnose the P0444 code on an Infiniti?
Start by inspecting the purge control solenoid valve, wiring, and connectors for damage or corrosion. Use a multimeter to test for continuity in the circuit and verify solenoid operation.
How do I fix the P0444 code on my Infiniti?
Repairs typically involve replacing the faulty purge control solenoid valve, repairing or replacing damaged wiring, or cleaning corroded connectors.
How much does it cost to fix the P0444 code on an Infiniti?
The cost varies depending on the repair needed. Replacing the solenoid valve may cost $100–$300, while wiring repairs depend on the extent of damage.
Can a loose gas cap trigger the P0444 code on an Infiniti?
No, a loose gas cap generally triggers codes related to EVAP system leaks, not an open circuit in the purge solenoid valve.
Will clearing the P0444 code without repair fix the issue?
No, clearing the code will only temporarily remove the check engine light. The underlying issue must be repaired to prevent the code from returning.
Is the P0444 code related to emissions testing?
Yes, the P0444 code affects the EVAP system, which controls fuel vapor emissions. A vehicle with this code may fail an emissions test.
Discuss the causes and fixes for P0444 Infiniti OBDII Code
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