P0445 Infiniti Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
Quick Answer
The P0445 Infiniti code indicates a problem with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve circuit being shorted. Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, Short circuit in the wiring harness, Corrosion or damage to electrical connectors. 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
- P0445 Infiniti indicates EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted.
- Common causes
- Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, Short circuit in the wiring harness, Corrosion or damage to electrical connectors.
- 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.
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Code P0445 Infiniti Description
The P0445 Infiniti code indicates a problem with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve circuit being shorted. The EVAP system is responsible for capturing and storing fuel vapors that would otherwise be released into the atmosphere. The Canister Purge Volume Control Solenoid Valve controls the flow of vapors from the charcoal canister to the engine intake manifold.
Common Causes of P0445 Infiniti
- Faulty EVAP Canister Purge Volume Control Solenoid Valve
- Short circuit in the wiring harness
- Corrosion or damage to electrical connectors
- Issues with the engine control module (ECM)
- Faulty fuel pressure sensor
Symptoms of P0445 Infiniti
- Check engine light illuminated on the dashboard
- Decreased fuel efficiency
- Rough idling or stalling
- Strong fuel odor
- Failed emissions test
How to Fix P0445 Infiniti
- Diagnose the issue by using a scan tool to retrieve the trouble code and inspecting the EVAP system components.
- Inspect the wiring harness and connectors for any signs of damage or corrosion. Replace any damaged components.
- Test the EVAP Canister Purge Volume Control Solenoid Valve for proper operation. Replace if necessary.
- Clear the trouble code from the vehicle's computer and perform a test drive to ensure the issue has been resolved.
- Perform an emissions test to verify that the vehicle is no longer emitting excess fuel vapors.
Cost to Fix P0445 Infiniti
The typical repair costs for addressing a P0445 Infiniti code can vary depending on the specific components that need to be replaced and the labor rates at the auto repair shop. On average, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Keep in mind that rates can vary based on location, vehicle make and model, and the expertise of the technician performing the repair. It's advisable to obtain quotes from multiple auto repair shops to ensure you're getting a fair price for the repair.
Tech Notes for P0445 Infiniti
When is the Code Detected?
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Information for Specific Infiniti Models
- P0445 2003 Infiniti G35 — EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
- P0445 2004 Infiniti G35 — EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
- P0445 2005 Infiniti G35 — EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
- P0445 2006 Infiniti G35 — EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
Frequently Asked Questions about P0445 Infiniti Code
1. What does the OBDII code P0445 mean on an Infiniti?
P0445 indicates that the EVAP Canister Purge Volume Control Solenoid Valve Circuit has a short, which means there’s an electrical fault in the purge valve circuit.
2. What are the common symptoms of code P0445 on an Infiniti?
Symptoms may include the check engine light turning on, a noticeable fuel odor, reduced fuel efficiency, and potential difficulty starting the vehicle.
3. What causes the P0445 code to appear on an Infiniti?
Common causes include a shorted or damaged purge control solenoid valve, faulty wiring or connectors in the EVAP system, or a malfunctioning engine control module (ECM).
4. Can I continue driving my Infiniti with a P0445 code?
While the vehicle might still be drivable, it’s not recommended because it can lead to increased emissions and potential damage to the EVAP system if not addressed.
5. How do I diagnose the P0445 code on an Infiniti?
Diagnosis involves checking the purge volume control solenoid valve for shorts, inspecting the wiring and connectors for damage, and using a multimeter to test the circuit.
6. What repairs are typically needed for a P0445 code on an Infiniti?
Repairs may include replacing the purge control solenoid valve, repairing or replacing damaged wiring, or cleaning and securing electrical connections.
7. How much does it cost to fix the P0445 code on an Infiniti?
Repair costs can range from $100 to $300 depending on whether the purge valve or wiring needs replacement, plus diagnostic fees if performed by a professional.
8. Can a loose gas cap cause the P0445 code?
No, a loose gas cap is more likely to trigger codes like P0455 or P0440, not P0445, which specifically relates to the purge solenoid circuit.
9. Is the P0445 code related to emissions testing?
Yes, a P0445 code can cause your Infiniti to fail an emissions test because it indicates a fault in the EVAP system, which controls fuel vapor emissions.
10. What tools are needed to troubleshoot the P0445 code on an Infiniti?
You’ll need an OBDII scanner, a multimeter to test the circuit, and basic tools to inspect or replace the purge solenoid valve.
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