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Engine-Codes – Nissan – P0442 2006 Nissan Pathfinder

P0442 2006 Nissan Pathfinder Code - EVAP Control System Leak Detected Small Leak

Quick Answer

The P0442 code for a 2006 Nissan Pathfinder indicates that there has been a small leak detected in the EVAP (Evaporative Emission Control) system. Common causes include Loose or damaged gas cap, Cracked or damaged EVAP hoses, Faulty EVAP canister. 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
P0442 2006 Nissan Pathfinder indicates EVAP Control System Leak Detected Small Leak.
Common causes
Common causes include Loose or damaged gas cap, Cracked or damaged EVAP hoses, Faulty EVAP canister.
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 P0442 2006 Nissan Pathfinder Description

The P0442 code for a 2006 Nissan Pathfinder indicates that there has been a small leak detected in the EVAP (Evaporative Emission Control) system. The EVAP system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from escaping into the atmosphere. When a small leak is detected, it means that there is an issue with the system's ability to maintain pressure, which can lead to increased emissions and decreased fuel efficiency.

OBDII Code P0442 2006 Nissan Pathfinder - EVAP Control System Leak Detected Small Leak
P0442 2006 Nissan Pathfinder Code - EVAP Control System Leak Detected Small Leak

Common Causes of P0442 2006 Nissan Pathfinder

  1. Loose or damaged gas cap
  2. Cracked or damaged EVAP hoses
  3. Faulty EVAP canister
  4. Malfunctioning purge valve
  5. Corrosion or rust on EVAP system components

Symptoms of P0442 2006 Nissan Pathfinder

  1. Check engine light illuminated
  2. Decreased fuel efficiency
  3. Strong fuel odor
  4. Hissing or whistling noise from the fuel tank area
  5. Difficulty starting the vehicle

How to Fix P0442 2006 Nissan Pathfinder

  1. Inspect and tighten or replace the gas cap
  2. Check and replace any damaged EVAP hoses
  3. Test and potentially replace the EVAP canister
  4. Check and replace the purge valve if necessary
  5. Clear the code with a diagnostic tool and test drive the vehicle to ensure the issue is resolved

Cost to Fix P0442 2006 Nissan Pathfinder

The cost of repairing a P0442 code on a 2006 Nissan Pathfinder can vary depending on the specific cause of the issue. Generally, the cost for parts such as a new gas cap, EVAP hoses, canister, or purge valve can range from $50 to $200. Labor costs can vary between $80 and $150 per hour, and the total repair cost could range from $150 to $500. It's advisable to consult with a qualified mechanic for a more accurate estimate based on your vehicle's specific needs.

What does this mean?

Tech Notes for P0442 2006 Nissan Pathfinder

The fuel tank filler cap and the Purge Volume Control Valve are the more common problems that will trigger the P0442 code on Nissan vehicles.

There is a factory Nissan service bulletin to help diagnose the P0442 code:
Nissan Factory Service Bulletin OBDII Code P0442

There is a factory service bulletin for the 2006 Nissan Pathfinder:
2005-2007 Nissan Pathfinder Service Bulletin OBDII Code P0442

When is the Code Detected?

Malfunction is detected when EVAP control system has a leak, EVAP control system does not operate properly.

Need more information about the P0442 2006 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 P0442 2006 Nissan Pathfinder Code

1. What does OBDII code P0442 mean on a 2006 Nissan Pathfinder?

The code P0442 indicates that the EVAP control system has detected a small leak.

2. What are some common symptoms of a P0442 code on a 2006 Nissan Pathfinder?

Common symptoms include the check engine light coming on, a noticeable fuel smell, and potentially poor fuel efficiency.

3. What are some possible causes of a P0442 code on a 2006 Nissan Pathfinder?

Potential causes include a loose or damaged gas cap, a cracked or damaged EVAP hose, a faulty EVAP canister, or a malfunctioning purge valve.

4. How serious is a P0442 code on a 2006 Nissan Pathfinder?

While a P0442 code is typically not an emergency, it should be addressed in a timely manner to prevent potential issues with the vehicle's emissions system.

5. Can I drive my 2006 Nissan Pathfinder with a P0442 code?

It is generally safe to drive the vehicle with a P0442 code, but it is recommended to have the issue diagnosed and repaired as soon as possible to ensure proper emissions control.

6. How can I diagnose a P0442 code on my 2006 Nissan Pathfinder?

Diagnosing a P0442 code typically involves checking the gas cap for tightness, inspecting EVAP system components for damage or leaks, and using a scan tool to monitor the system.

7. How can I repair a P0442 code on my 2006 Nissan Pathfinder?

Common repair steps may include tightening or replacing the gas cap, repairing or replacing damaged EVAP hoses, replacing the EVAP canister, or addressing issues with the purge valve.

8. Can a P0442 code on a 2006 Nissan Pathfinder cause other problems if left unresolved?

If left unresolved, a P0442 code may lead to increased emissions, potential problems passing emissions tests, and could eventually trigger additional warning lights or codes.

9. Will resetting the check engine light clear a P0442 code on a 2006 Nissan Pathfinder?

Resetting the check engine light may temporarily clear the code, but if the underlying issue causing the P0442 code is not addressed, the light is likely to come back on.

10. How much does it typically cost to repair a P0442 code on a 2006 Nissan Pathfinder?

The cost of repairing a P0442 code can vary depending on the specific cause of the issue and the labor rates in your area, but it may range from around $100 to $500 or more.

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