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Engine-Codes – Nissan – P0445 2008 Nissan Altima Sedan

P0445 2008 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Quick Answer

The P0445 code on a 2008 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control) system, specifically with the Canister Purge Volume Control Solenoid Valve circuit being shorted. Common causes include Faulty Canister Purge Volume Control Solenoid Valve, Shorted wiring or connectors in the solenoid valve circuit, Corrosion or damage to the EVAP system components. 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 2008 Nissan Altima Sedan indicates EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted.
Common causes
Common causes include Faulty Canister Purge Volume Control Solenoid Valve, Shorted wiring or connectors in the solenoid valve circuit, Corrosion or damage to the EVAP system components.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0445 2008 Nissan Altima Sedan Description

The P0445 code on a 2008 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control) system, specifically with the Canister Purge Volume Control Solenoid Valve circuit being shorted. The EVAP system is responsible for capturing and storing fuel vapor emissions from the fuel tank to prevent them from being released into the atmosphere. The Canister Purge Volume Control Solenoid Valve plays a crucial role in controlling the flow of fuel vapors from the charcoal canister to the engine for combustion.

OBDII Code P0445 2008 Nissan Altima Sedan - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
P0445 2008 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Common Causes of P0445 2008 Nissan Altima Sedan

  1. Faulty Canister Purge Volume Control Solenoid Valve
  2. Shorted wiring or connectors in the solenoid valve circuit
  3. Corrosion or damage to the EVAP system components
  4. Vacuum leaks in the EVAP system
  5. Issues with the PCM (Powertrain Control Module) or ECM (Engine Control Module)

Symptoms of P0445 2008 Nissan Altima Sedan

  1. Check engine light illuminated on the dashboard
  2. Decreased fuel efficiency
  3. Strong fuel odor near the vehicle
  4. Rough idle or stalling
  5. Difficulty starting the engine

How to Fix P0445 2008 Nissan Altima Sedan

  1. Diagnose the issue using a scan tool to confirm the P0445 code and pinpoint the exact cause of the problem.
  2. Inspect the Canister Purge Volume Control Solenoid Valve, wiring, and connectors for any signs of damage or corrosion.
  3. Test the solenoid valve for proper operation and replace it if necessary.
  4. Repair any damaged wiring or connectors in the solenoid valve circuit.
  5. Clear the diagnostic trouble codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0445 2008 Nissan Altima Sedan

The typical repair costs for addressing a P0445 code on a 2008 Nissan Altima Sedan can range from $100 to $300. This estimate includes the cost of the Canister Purge Volume Control Solenoid Valve, any necessary wiring or connector repairs, and labor charges. However, actual repair costs can vary depending on the specific diagnosis time, labor rates, and parts pricing at auto repair shops. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on the individual circumstances of the vehicle.

What does this mean?

Tech Notes for P0445 2008 Nissan Altima Sedan

It's a very common problem with Nissan vehicles. If the harness is not damage it's very likely that the problem is the canister purge volume control solenoid valve.

When is the Code Detected?

An excessively high voltage signal is sent to Engine Control Module (ECM) through the valve

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0445 2008 Nissan Altima Sedan Code

1. What does OBDII code P0445 mean on a 2008 Nissan Altima Sedan?

Code P0445 indicates a short circuit in the EVAP Canister Purge Volume Control Solenoid Valve circuit, part of the vehicle's evaporative emission control system.

2. What are the common symptoms of P0445 in a 2008 Nissan Altima?

Symptoms may include an illuminated Check Engine Light, a noticeable fuel smell, reduced fuel efficiency, or difficulty starting the engine.

3. What causes the P0445 code to appear on a 2008 Nissan Altima?

Common causes include a shorted or faulty purge control solenoid valve, damaged wiring or connectors, or a malfunctioning ECM (Engine Control Module).

4. Can I still drive my 2008 Nissan Altima with a P0445 code?

While the car may still be drivable, ignoring the issue can lead to increased emissions, poor fuel efficiency, and possible damage to other components.

5. How do I diagnose the P0445 code on a 2008 Nissan Altima?

Start by inspecting the purge control solenoid valve, wiring, and connectors for damage or shorts. Use a multimeter to test the circuit and confirm proper operation.

6. How can I fix the P0445 code on my 2008 Nissan Altima?

Repairs may involve replacing the faulty purge control solenoid valve, repairing damaged wiring or connectors, or addressing issues with the ECM.

7. How much does it cost to fix a P0445 code on a 2008 Nissan Altima?

Repair costs vary but typically range from $100 to $300, depending on whether the purge solenoid valve or wiring needs replacement.

8. Can a loose gas cap cause the P0445 code on a 2008 Nissan Altima?

No, a loose gas cap typically triggers a different EVAP-related code, such as P0455 or P0456. P0445 specifically relates to the purge solenoid valve circuit.

9. How do I prevent the P0445 code from recurring?

Regularly inspect the EVAP system components, including the purge valve and wiring, and address any issues promptly to prevent future problems.

10. Will clearing the P0445 code fix the issue on my 2008 Nissan Altima?

Clearing the code with a scanner will turn off the Check Engine Light temporarily, but the issue will return if the underlying problem is not resolved.

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