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Engine-Codes – Nissan – P0455 2007 Nissan Maxima

P0455 2007 Nissan Maxima Code - EVAP Control System Gross Leak Detected

Quick Answer

The P0455 code for a 2007 Nissan Maxima indicates that there is a gross leak detected in the EVAP (Evaporative Emission Control) system. Common causes include Loose or damaged gas cap, Cracked or damaged EVAP canister, 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
P0455 2007 Nissan Maxima indicates EVAP Control System Gross Leak Detected.
Common causes
Common causes include Loose or damaged gas cap, Cracked or damaged EVAP canister, 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 14, 2024
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Code P0455 2007 Nissan Maxima Description

The P0455 code for a 2007 Nissan Maxima indicates that there is a gross 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 gross leak is detected, it means that a significant amount of fuel vapor is escaping from the system, which can lead to increased emissions and potential safety hazards.

OBDII Code P0455 2007 Nissan Maxima - EVAP Control System Gross Leak Detected
P0455 2007 Nissan Maxima Code - EVAP Control System Gross Leak Detected

Common Causes of P0455 2007 Nissan Maxima

  1. Loose or damaged gas cap
  2. Cracked or damaged EVAP canister
  3. Faulty purge valve
  4. Leak in EVAP system vacuum lines
  5. Damaged EVAP system hoses or valves

Symptoms of P0455 2007 Nissan Maxima

  1. Check engine light illuminated on the dashboard
  2. Strong fuel odor near the vehicle
  3. Decreased fuel efficiency
  4. Failed emissions test
  5. Hissing or whistling noise from the EVAP system

How to Fix P0455 2007 Nissan Maxima

  1. Inspect the gas cap for proper sealing and tighten or replace if necessary.
  2. Check EVAP system components for damage or leaks, such as the canister, purge valve, hoses, and vacuum lines.
  3. Use a smoke machine to detect leaks in the EVAP system and repair as needed.
  4. Clear the diagnostic trouble codes and reset the check engine light.
  5. Perform a drive cycle to ensure the repair was successful and the code does not return.

Cost to Fix P0455 2007 Nissan Maxima

The typical repair costs for addressing a P0455 code on a 2007 Nissan Maxima can range from $100 to $500, depending on the specific cause of the issue and the labor rates at the auto repair shop. This estimate includes the cost of parts such as a new gas cap, EVAP canister, purge valve, hoses, or vacuum lines, as well as the labor required for diagnosis and repair. It's important to note that the actual cost may vary based on the shop's rates, location, and the extent of the repairs needed. It's recommended to obtain a detailed quote from a trusted mechanic before proceeding with the repairs.

What does this mean?

Tech Notes for P0455 2007 Nissan Maxima

The P0455 it’s a very common code because the code is set if the gas cap is loose or missing. Start by tightening the gas cap and clearing the code. In most cases, the code can be clear by disconnecting the car battery for about 30 minutes.



There is a factory Nissan service bulletin to help diagnose the P0455 code:

Nissan Factory Service Bulletin OBDII Code P0455

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 P0455 2007 Nissan Maxima code?

Need more information on how to fix the P0455 2007 Nissan Maxima code? Get Access to Factory Service Manuals

Need Help with the 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 P0455 2007 Nissan Maxima Code

1. What are the common symptoms of OBDII code P0455 on a 2007 Nissan Maxima?

- Common symptoms include the check engine light being illuminated, a strong fuel odor, and potential difficulties during refueling.

2. What can cause the EVAP control system gross leak detected code (P0455) in a 2007 Nissan Maxima?

- The code P0455 can be triggered by a loose or damaged gas cap, a leak in the EVAP system, a faulty purge valve, or a malfunctioning vent valve.

3. How serious is an EVAP system gross leak detected code (P0455) on a 2007 Nissan Maxima?

- While the vehicle can still be driven with the code present, ignoring it can lead to increased emissions, reduced fuel efficiency, and potential damage to the engine over time.

4. Can a loose gas cap trigger the OBDII code P0455 on a 2007 Nissan Maxima?

- Yes, a loose gas cap is one of the most common causes of the P0455 code. Make sure the gas cap is securely tightened before seeking further diagnosis.

5. What are some DIY repair tips for fixing the EVAP system gross leak detected code on a 2007 Nissan Maxima?

- Start by checking the gas cap for proper sealing, inspecting the EVAP system hoses for leaks, and testing the purge and vent valves for proper operation.

6. Is it safe to continue driving a 2007 Nissan Maxima with the P0455 code present?

- It is generally safe to drive the vehicle with the P0455 code, but it is recommended to address the issue promptly to prevent potential long-term damage and increased emissions.

7. How can I reset the check engine light after repairing the EVAP system leak on a 2007 Nissan Maxima?

- After repairing the issue causing the P0455 code, you can reset the check engine light using an OBDII scanner or by disconnecting the car's battery for a few minutes.

8. Can a faulty purge valve cause the P0455 code on a 2007 Nissan Maxima?

- Yes, a malfunctioning purge valve can cause the EVAP system gross leak detected code (P0455) by disrupting the proper operation of the EVAP system.

9. Will driving with the P0455 code affect the fuel economy of a 2007 Nissan Maxima?

- Driving with the P0455 code may lead to reduced fuel efficiency due to potential leaks in the EVAP system affecting the fuel vapor management.

10. How can a mechanic diagnose the EVAP system gross leak detected code (P0455) on a 2007 Nissan Maxima?

- A mechanic can use a smoke machine to detect leaks in the EVAP system, perform a visual inspection of hoses and components, and test the purge and vent valves for proper function.

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