AutoCodes – Nissan – P0443 2008 Nissan Sentra

P0443 2008 Nissan Sentra Code - EVAP Canister Purge Volume Control Solenoid Valve

Quick Answer

This system controls the flow rate of fuel vapor from the EVAP canister. Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, EVAP Canister Purge Volume Control Solenoid Valve harness is open or shorted, EVAP Canister Purge Volume Control Solenoid Valve circuit poor electrical 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: P0443 2008 Nissan Sentra indicates EVAP Canister Purge Volume Control Solenoid Valve.
Common causes: Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, EVAP Canister Purge Volume Control Solenoid Valve harness is open or shorted, EVAP Canister Purge Volume Control Solenoid Valve circuit poor electrical 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.

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Code Popularity 4,404

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 31, 2024

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0443 2008 Nissan Sentra Description

This system controls the flow rate of fuel vapor from the EVAP canister. The opening of the vapor by-pass passage in the EVAP canister purge volume control solenoid valve changes to control the flow rate. The EVAP canister purge volume control solenoid valve repeats ON/OFF operation according to the signal sent from the Engine Control Module (ECM). The opening of the valve varies for optimum engine control. The optimum value stored in the ECM is determined by considering various engine conditions. When the engine is operating, the flow rate of fuel vapor from the EVAP canister is regulated as the airflow changes.
The EVAP canister purge volume control solenoid valve uses an ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the ECM. The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.
The Diagnostic Trouble Code (DTC) will set when the canister purge flow is detected during the specified driving conditions, even when the EVAP canister purge volume control solenoid valve is completely closed.

OBDII Code P0443 2008 Nissan Sentra - EVAP Canister Purge Volume Control Solenoid Valve - AutoCodes.com — P0443 2008 Nissan Sentra Code - EVAP Canister Purge Volume Control Solenoid Valve

What does this mean?

What are the Possible Causes of the DTC P0443 2008 Nissan Sentra?

Faulty EVAP Canister Purge Volume Control Solenoid Valve
EVAP Canister Purge Volume Control Solenoid Valve harness is open or shorted
EVAP Canister Purge Volume Control Solenoid Valve circuit poor electrical connection
Faulty EVAP Control System Pressure Sensor

How to Fix the DTC P0443 2008 Nissan Sentra?

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.

What does this mean?

Code Tech Notes

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0443 2008 Nissan Sentra 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.

Need more information about the P0443 2008 Nissan Sentra 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 2008 Nissan Sentra Code

1. What is OBDII code P0443 on a 2008 Nissan Sentra?

Code P0443 indicates a problem with the EVAP canister purge volume control solenoid valve in the vehicle's evaporative emissions system.

2. What are common symptoms of a P0443 code in a 2008 Nissan Sentra?

Common symptoms include difficulty starting the engine, rough idling, and decreased fuel efficiency.

3. What can cause the P0443 code to trigger in a 2008 Nissan Sentra?

The code may be triggered by a faulty EVAP canister purge volume control solenoid valve, damaged wiring or connectors, or a vacuum leak in the EVAP system.

4. How do I diagnose the cause of a P0443 code on my 2008 Nissan Sentra?

Diagnosing the issue may involve visually inspecting the solenoid valve and its connections, testing the valve's electrical circuit, and checking for leaks in the EVAP system.

5. Can I continue driving my 2008 Nissan Sentra with a P0443 code?

While the vehicle may still be operational with this code, it is recommended to address the issue promptly to prevent further damage to the emissions system and ensure optimal performance.

6. How can I repair a P0443 code on a 2008 Nissan Sentra?

Repair options may include replacing the EVAP canister purge volume control solenoid valve, repairing damaged wiring or connectors, or fixing any vacuum leaks in the EVAP system.

7. Is the EVAP canister purge volume control solenoid valve easy to replace on a 2008 Nissan Sentra?

In many cases, replacing the solenoid valve is a relatively straightforward task that can be done with basic tools. However, it is recommended to consult a professional mechanic for accurate diagnosis and repair.

8. Are there any maintenance tips to prevent the recurrence of a P0443 code on a 2008 Nissan Sentra?

Regularly inspecting the EVAP system components for signs of wear or damage, ensuring proper sealing of the fuel cap, and following the manufacturer's recommended maintenance schedule can help prevent the reoccurrence of this code.

9. Can a P0443 code on a 2008 Nissan Sentra cause other issues if left unresolved?

If left unresolved, a P0443 code can lead to increased emissions, potential damage to other components of the emissions system, and may eventually cause the vehicle to fail an emissions inspection.

10. How much does it typically cost to repair a P0443 code on a 2008 Nissan Sentra?

The cost of repairing a P0443 code can vary depending on the specific issue causing the code, the labor rates in your area, and whether genuine OEM parts are used. It is recommended to obtain quotes from multiple mechanics or repair shops for an accurate estimate.