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Engine-Codes – Nissan – P0443 2007 Nissan Maxima

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

Quick Answer

The P0443 code on a 2007 Nissan Maxima indicates a problem with the EVAP canister purge volume control solenoid valve. Common causes include Faulty EVAP canister purge volume control solenoid valve, Wiring or electrical issues, 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 Maxima indicates EVAP Canister Purge Volume Control Solenoid Valve.
Common causes
Common causes include Faulty EVAP canister purge volume control solenoid valve, Wiring or electrical issues, 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 Maxima Description

The P0443 code on a 2007 Nissan Maxima indicates a problem with the EVAP canister purge volume control solenoid valve. This valve is a crucial component of the vehicle's evaporative emissions control system, which is responsible for preventing fuel vapors from escaping into the atmosphere. The solenoid valve regulates the flow of fuel vapor from the charcoal canister to the engine intake manifold for combustion. When this valve fails or malfunctions, it can lead to issues with the vehicle's emissions control, fuel efficiency, and overall performance.

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

Common Causes of P0443 2007 Nissan Maxima

  1. Faulty EVAP canister purge volume control solenoid valve
  2. Wiring or electrical issues
  3. Vacuum leaks in the EVAP system
  4. Clogged charcoal canister
  5. PCM (Powertrain Control Module) failure

Symptoms of P0443 2007 Nissan Maxima

  1. Check engine light illuminated on the dashboard
  2. Rough idling or stalling
  3. Decreased fuel efficiency
  4. Strong odor of fuel vapors
  5. Difficulty starting the engine

How to Fix P0443 2007 Nissan Maxima

  1. Diagnose the specific issue using a scan tool to confirm the P0443 code.
  2. Inspect the EVAP canister purge volume control solenoid valve, wiring, and connections for any signs of damage or corrosion.
  3. Test the solenoid valve for proper operation and replace if necessary.
  4. Check for any vacuum leaks in the EVAP system and repair as needed.
  5. Clear the diagnostic trouble codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0443 2007 Nissan Maxima

The cost of repairing a P0443 code on a 2007 Nissan Maxima can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. Generally, replacing the EVAP canister purge volume control solenoid valve can cost between $100 and $300 for the part alone. Including labor costs, the total repair bill could range from $150 to $500. Keep in mind that prices may fluctuate based on location, the complexity of the repair, and the shop's hourly rates. It's recommended to obtain quotes from different repair facilities to get a more accurate estimate.

What does this mean?

Tech Notes for P0443 2007 Nissan Maxima

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.

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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 Maxima Code

1. What does the OBDII code P0443 on a 2007 Nissan Maxima indicate?

The code P0443 specifically refers to a problem with the EVAP canister purge volume control solenoid valve in the vehicle's emission control system.

2. What are the common symptoms of a P0443 code in a 2007 Nissan Maxima?

Common symptoms include rough idling, decreased fuel efficiency, and the illumination of the Check Engine Light on the dashboard.

3. What are the possible causes of a P0443 code in a 2007 Nissan Maxima?

Potential causes include a faulty purge solenoid valve, damaged wiring or connectors in the EVAP system, or a vacuum leak in the system.

4. How can I diagnose a P0443 code in my 2007 Nissan Maxima?

Diagnosis typically involves using an OBDII scanner to retrieve the specific code, checking the purge solenoid valve for proper operation, and inspecting the EVAP system for any visible signs of damage.

5. Can a P0443 code in a 2007 Nissan Maxima cause any serious issues if left unaddressed?

While the vehicle may still be operable with this code present, ignoring it can lead to increased emissions, potential damage to other emission components, and failed emissions testing.

6. How can I repair a P0443 code in my 2007 Nissan Maxima?

Repair options may include replacing the purge solenoid valve, repairing or replacing damaged wiring or connectors, and ensuring the entire EVAP system is functioning correctly.

7. Are there any preventive measures to avoid encountering a P0443 code in a 2007 Nissan Maxima?

Regularly inspecting and maintaining the EVAP system, ensuring the gas cap is tightly sealed after refueling, and addressing any Check Engine Light codes promptly can help prevent issues.

8. Can I drive my 2007 Nissan Maxima with a P0443 code?

While it may be possible to drive the vehicle with this code present, it is recommended to address the underlying issue promptly to prevent potential damage and ensure optimal vehicle performance.

9. How much does it typically cost to repair a P0443 code in a 2007 Nissan Maxima?

The cost of repairs can vary depending on the specific cause of the code, but it may range from $100 to $300 for parts and labor.

10. Can I reset the Check Engine Light after fixing a P0443 code in my 2007 Nissan Maxima?

Yes, after repairing the issue causing the P0443 code, you can reset the Check Engine Light using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

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