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Engine-Codes – Nissan – P0442 2007 Nissan Altima Sedan

P0442 2007 Nissan Altima Sedan Code - EVAP Control System Leak Detected Small Leak

Quick Answer

The P0442 code for a 2007 Nissan Altima Sedan indicates that there is a small leak detected in the EVAP (Evaporative Emission Control) system. Common causes include Loose or damaged gas cap, Cracked or disconnected EVAP system hoses, Faulty purge valve. 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 2007 Nissan Altima Sedan indicates EVAP Control System Leak Detected Small Leak.
Common causes
Common causes include Loose or damaged gas cap, Cracked or disconnected EVAP system hoses, Faulty purge valve.
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 13, 2024
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Code P0442 2007 Nissan Altima Sedan Description

The P0442 code for a 2007 Nissan Altima Sedan indicates that there is 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 2007 Nissan Altima Sedan - EVAP Control System Leak Detected Small Leak
P0442 2007 Nissan Altima Sedan Code - EVAP Control System Leak Detected Small Leak

Common Causes of P0442 2007 Nissan Altima Sedan

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

Symptoms of P0442 2007 Nissan Altima Sedan

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

How to Fix P0442 2007 Nissan Altima Sedan

  1. Inspect the gas cap for any signs of damage or wear and ensure it is securely tightened.
  2. Check all EVAP system hoses for cracks, leaks, or disconnections, and replace any damaged hoses.
  3. Test the purge valve for proper operation and replace if necessary.
  4. Inspect the EVAP canister for damage or leaks, and replace if needed.
  5. Clear the diagnostic trouble codes from the vehicle's computer using an OBD-II scanner to reset the check engine light.

Cost to Fix P0442 2007 Nissan Altima Sedan

The typical repair costs for addressing a P0442 code on a 2007 Nissan Altima Sedan can range from $100 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops often charge less. For a more accurate estimate, it's recommended to check local rates before proceeding with the repair.

What does this mean?

Tech Notes for P0442 2007 Nissan Altima Sedan

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 Nissan service bulletin for the 2007 Nissan Altima Sedan:

2007 Nissan Altima Sedan Factory Service Bulletin OBDII Code P0442











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When is the Code Detected?

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

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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 2007 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P0442 on a 2007 Nissan Altima Sedan?

The common symptoms of code P0442 include the illumination of the check engine light on the dashboard and possibly a slight decrease in fuel efficiency.

2. What are some potential causes of OBDII code P0442 on a 2007 Nissan Altima Sedan?

Possible causes of P0442 on a 2007 Nissan Altima Sedan include a loose or damaged gas cap, a small leak in the EVAP system, a malfunctioning EVAP purge valve, or a cracked EVAP hose.

3. How serious is OBDII code P0442 on a 2007 Nissan Altima Sedan?

While code P0442 is not an emergency situation, it should not be ignored. Ignoring this code could lead to increased emissions, reduced fuel efficiency, and potential harm to the environment.

4. How can I diagnose the source of a small EVAP system leak triggering code P0442 on a 2007 Nissan Altima Sedan?

To diagnose the source of the small EVAP system leak, you can visually inspect the EVAP system components, check the gas cap for tightness, perform a smoke test to detect leaks, or use a scan tool to monitor EVAP system parameters.

5. Can a loose gas cap trigger OBDII code P0442 on a 2007 Nissan Altima Sedan?

Yes, a loose or improperly sealed gas cap is a common cause of code P0442 on a 2007 Nissan Altima Sedan. Ensure the gas cap is tightened properly and the seal is intact to see if the code clears.

6. What are some repair tips for fixing OBDII code P0442 on a 2007 Nissan Altima Sedan?

Repair tips for P0442 may include tightening or replacing the gas cap, inspecting and repairing any damaged EVAP system components, clearing the code with an OBDII scanner, and retesting to ensure the issue is resolved.

7. Is it safe to continue driving a 2007 Nissan Altima Sedan with OBDII code P0442?

It is generally safe to drive with code P0442, but it is recommended to address the issue promptly to prevent potential negative impacts on fuel economy and emissions. It is always best to have the vehicle inspected and repaired as soon as possible.

8. Can a DIY enthusiast fix OBDII code P0442 on a 2007 Nissan Altima Sedan?

Depending on your level of automotive knowledge and experience, it is possible to address code P0442 as a DIY project. Simple fixes like checking the gas cap or replacing damaged hoses can often be done at home, but more complex issues may require professional assistance.

9. How long does it typically take to repair OBDII code P0442 on a 2007 Nissan Altima Sedan?

The time it takes to repair code P0442 on a 2007 Nissan Altima Sedan can vary depending on the underlying cause. Simple fixes like tightening the gas cap may only take a few minutes, while diagnosing and repairing a small EVAP system leak could take several hours.

10. Can OBDII code P0442 on a 2007 Nissan Altima Sedan clear on its own?

In some cases, code P0442 may clear on its own after several driving cycles if the issue was minor or temporary. However, it is advisable to diagnose and address the root cause of the code to prevent it from recurring in the future.

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