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P0443 2007 Nissan Pathfinder Code - EVAP Canister Purge Volume Control Solenoid Valve

Quick Answer

The P0443 code for a 2007 Nissan Pathfinder relates to the EVAP (Evaporative Emission Control) system, specifically indicating a malfunction in the Canister Purge Volume Control Solenoid Valve. Common causes include Faulty Canister Purge Volume Control Solenoid Valve, Wiring or connector issues related to the solenoid valve, Vacuum leaks in the EVAP system. 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
P0443 2007 Nissan Pathfinder indicates EVAP Canister Purge Volume Control Solenoid Valve.
Common causes
Common causes include Faulty Canister Purge Volume Control Solenoid Valve, Wiring or connector issues related to the solenoid valve, Vacuum leaks in the EVAP system.
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 Aug 19, 2024
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Code P0443 2007 Nissan Pathfinder Description

The P0443 code for a 2007 Nissan Pathfinder relates to the EVAP (Evaporative Emission Control) system, specifically indicating a malfunction in the Canister Purge Volume Control Solenoid Valve. This valve is responsible for controlling the flow of fuel vapor from the charcoal canister to the engine intake manifold. When this valve malfunctions, it can lead to issues with the vehicle's emissions control system, potentially causing the Check Engine light to illuminate. If left unaddressed, this issue can result in increased emissions, reduced fuel efficiency, and potential damage to other components of the EVAP system.

OBDII Code P0443 2007 Nissan Pathfinder - EVAP Canister Purge Volume Control Solenoid Valve
P0443 2007 Nissan Pathfinder Code - EVAP Canister Purge Volume Control Solenoid Valve

Common Causes of P0443 2007 Nissan Pathfinder

  1. Faulty Canister Purge Volume Control Solenoid Valve
  2. Wiring or connector issues related to the solenoid valve
  3. Vacuum leaks in the EVAP system
  4. Carbon buildup in the valve
  5. Faulty PCM (Powertrain Control Module)

Symptoms of P0443 2007 Nissan Pathfinder

  1. Check Engine light illuminated on the dashboard
  2. Rough idling or stalling when idling
  3. Decreased fuel efficiency
  4. Strong fuel odor
  5. Engine misfires

How to Fix P0443 2007 Nissan Pathfinder

  1. Diagnose the issue using a scan tool to confirm the P0443 code and identify the specific problem with the Canister Purge Volume Control Solenoid Valve.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as needed.
  3. Test the solenoid valve for proper operation and replace if found to be faulty.
  4. Clear the error codes from the vehicle's computer and test drive to ensure the issue has been resolved.
  5. Perform a smoke test on the EVAP system to check for any leaks and ensure proper function.

Cost to Fix P0443 2007 Nissan Pathfinder

The typical repair costs for addressing a P0443 code on a 2007 Nissan Pathfinder can range from $100 to $300, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to obtain quotes from multiple sources to get a more accurate estimate for this repair.

What does this mean?

Tech Notes for P0443 2007 Nissan Pathfinder

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

Need more information about the P0443 2007 Nissan Pathfinder code?

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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 P0443 2007 Nissan Pathfinder Code

1. What does the OBDII code P0443 mean on a 2007 Nissan Pathfinder?

P0443 indicates a malfunction in the EVAP Canister Purge Volume Control Solenoid Valve circuit, which is part of the vehicle’s evaporative emissions control system.

2. What are the symptoms of code P0443 on a 2007 Nissan Pathfinder?

Common symptoms include the check engine light turning on, possible fuel odor, and a slight decrease in fuel efficiency. However, drivability issues are rare.

3. What causes the P0443 code on a 2007 Nissan Pathfinder?

This code is typically caused by a faulty purge volume control solenoid valve, damaged wiring or connectors, or issues with the EVAP system's electrical circuit.

4. How do I fix the P0443 code on my 2007 Nissan Pathfinder?

Start by inspecting the wiring and connectors to the purge solenoid for damage or corrosion. Replace the solenoid if it's faulty, and clear the code with an OBDII scanner to see if it returns.

5. Is it safe to drive with a P0443 code on my 2007 Nissan Pathfinder?

Yes, driving with a P0443 code is generally safe, but prolonged neglect can lead to increased emissions or damage to other components of the EVAP system.

6. How do I test the EVAP Canister Purge Volume Control Solenoid Valve for P0443?

Use a multimeter to check the solenoid's resistance, which should match the specifications in the vehicle's service manual. You can also apply a 12V power source to verify proper operation.

7. Can a loose gas cap cause a P0443 code on a 2007 Nissan Pathfinder?

No, a loose gas cap typically triggers a different code (P0455 or P0442). P0443 specifically relates to the purge volume control solenoid valve circuit.

8. How much does it cost to fix a P0443 code on a 2007 Nissan Pathfinder?

Repair costs vary but generally range from $100 to $300, depending on whether you replace the solenoid yourself or have a mechanic perform the repair.

9. Can a faulty purge volume control solenoid valve affect fuel economy?

Yes, a malfunctioning solenoid can lead to a slight decrease in fuel efficiency due to improper EVAP system operation.

10. Will clearing the P0443 code without repairs fix the issue?

No, clearing the code will only temporarily turn off the check engine light. If the underlying issue isn’t resolved, the code will likely reappear.

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