P0447 Infiniti Code - Evaporative Emission Control System Vent Control Circuit Open
Quick Answer
The Evaporative Emission System (EVAP) canister vent control valve is located on the EVAP canister and is used to seal the canister vent. Common causes include Faulty canister vent control valve, Purge Control Valve harness is open or shorted, Purge Control Valve electrical circuit poor 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
- P0447 Infiniti indicates Evaporative Emission Control System Vent Control Circuit Open.
- Common causes
- Common causes include Faulty canister vent control valve, Purge Control Valve harness is open or shorted, Purge Control Valve electrical circuit poor 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 P0447 Infiniti Description
A plunger will then move to seal the canister vent. The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components.This solenoid valve is used only for diagnosis, and usually remains opened. When the vent is closed, under normal purge conditions, the evaporative emission control system is depressurized and allows EVAP Control System (Small Leak) diagnosis.
What are the Possible Causes of the DTC P0447 Infiniti?
- Faulty canister vent control valve
- Purge Control Valve harness is open or shorted
- Purge Control Valve electrical circuit poor connection
How to Fix the DTC P0447 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0447 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.
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Information for Specific Infiniti Models
- P0447 2003 Infiniti G35 — Evaporative Emission Control System Vent Control Circuit Open
- P0447 2004 Infiniti G35 — Evaporative Emission Control System Vent Control Circuit Open
- P0447 2005 Infiniti G35 — Evaporative Emission Control System Vent Control Circuit Open
- P0447 2006 Infiniti G35 — Evaporative Emission Control System Vent Control Circuit Open
Frequently Asked Questions about P0447 Infiniti Code
1. What are the common symptoms of OBDII code P0447 in an Infiniti?
- Common symptoms include the check engine light being illuminated, rough idling, decreased fuel efficiency, and potentially a noticeable fuel odor.
2. What does the OBDII code P0447 in an Infiniti indicate?
- This code indicates a problem with the Evaporative Emission Control System Vent Control Circuit being open, which can lead to issues with properly controlling fuel vapors.
3. What are the possible causes of OBDII code P0447 in an Infiniti?
- Possible causes include a faulty vent control valve, damaged wiring or connectors in the vent control circuit, or a malfunctioning PCM (powertrain control module).
4. How can I diagnose the OBDII code P0447 in my Infiniti?
- Diagnosis typically involves checking the vent control valve for proper operation, inspecting the wiring and connectors for damage, and using a scan tool to assess the PCM's function.
5. Can I continue driving my Infiniti with OBDII code P0447?
- It is generally not recommended to drive with this code present, as it can lead to increased emissions, decreased fuel efficiency, and potential damage to other emission control components.
6. How can I repair OBDII code P0447 in my Infiniti?
- Repair may involve replacing the vent control valve, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
7. Are there any DIY tips for fixing OBDII code P0447 in an Infiniti?
- While some may attempt DIY repairs, it is recommended to have a professional diagnose and repair this issue due to the complexity of the Evaporative Emission Control System.
8. How much does it typically cost to repair OBDII code P0447 in an Infiniti?
- Repair costs can vary depending on the exact cause of the issue, but it may range from $100 to $500 or more, including parts and labor.
9. Will OBDII code P0447 cause my Infiniti to fail an emissions test?
- Yes, this code can cause your vehicle to fail an emissions test due to improper control of fuel vapors, leading to increased emissions.
10. How can I prevent OBDII code P0447 from occurring in my Infiniti in the future?
- Regular maintenance, such as checking and replacing the vent control valve as needed, keeping the Evaporative Emission Control System components clean, and addressing any issues promptly, can help prevent this code from occurring.
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