Engine-Codes.com
Engine-Codes – Nissan – P0455 2007 Nissan Pathfinder

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

Quick Answer

The P0455 code for a 2007 Nissan Pathfinder indicates that the Evaporative Emission Control System has detected a gross leak. Common causes include Loose or damaged gas cap, Cracked or disconnected hoses in the Evaporative Emission Control System, 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 Pathfinder indicates EVAP Control System Gross Leak Detected.
Common causes
Common causes include Loose or damaged gas cap, Cracked or disconnected hoses in the Evaporative Emission Control System, 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 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0455 2007 Nissan Pathfinder Description

The P0455 code for a 2007 Nissan Pathfinder indicates that the Evaporative Emission Control System has detected a gross leak. This system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from being released into the atmosphere. A gross leak means that there is a significant breach in the system, allowing fuel vapors to escape. This can lead to increased emissions, decreased fuel efficiency, and potential safety hazards.

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

Common Causes of P0455 2007 Nissan Pathfinder

  1. Loose or damaged gas cap
  2. Cracked or disconnected hoses in the Evaporative Emission Control System
  3. Faulty purge valve
  4. Malfunctioning charcoal canister
  5. Damage to the fuel tank

Symptoms of P0455 2007 Nissan Pathfinder

  1. Check engine light illuminated
  2. Rough idling or stalling
  3. Difficulty starting the vehicle
  4. Fuel odor inside or outside the vehicle
  5. Failed emissions test

How to Fix P0455 2007 Nissan Pathfinder

  1. Inspect the gas cap for proper sealing and tighten or replace if necessary.
  2. Check all hoses in the Evaporative Emission Control System for cracks or disconnections and repair or replace as needed.
  3. Test the purge valve for proper functioning and replace if faulty.
  4. Inspect the charcoal canister for damage or leaks and replace if necessary.
  5. If the issue persists, perform a smoke test to pinpoint the location of the leak and repair accordingly.

Cost to Fix P0455 2007 Nissan Pathfinder

The typical repair costs for addressing a P0455 code in a 2007 Nissan Pathfinder 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 from $80 to $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. It's advisable to obtain quotes from multiple shops to ensure a fair price for the repair.

What does this mean?

Tech Notes for P0455 2007 Nissan Pathfinder

The P0455 it’s 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



There is a factory service bulletin for the 2007 Nissan Pathfinder:

2005-2007 Nissan Pathfinder 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 Pathfinder code?

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

Need Help with the Code?

Get the P0455 2007 Nissan Pathfinder code diagnosed by a professional: Find a repair shop in your area

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 Pathfinder Code

1. What does the OBDII code P0455 mean for a 2007 Nissan Pathfinder?

P0455 indicates a "Gross Leak Detected" in the EVAP (Evaporative Emission Control) system, meaning a large leak or complete disconnection is preventing the system from containing fuel vapors.

2. What are the common symptoms of a P0455 code on a 2007 Nissan Pathfinder?

Common symptoms include the check engine light turning on, a possible fuel odor near the vehicle, and occasionally reduced fuel efficiency, though drivability issues are rare.

3. What causes the P0455 code on a 2007 Nissan Pathfinder?

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

4. Can a loose gas cap trigger the P0455 code?

Yes, a loose, missing, or damaged gas cap can cause a large EVAP system leak and trigger the P0455 code.

5. How can I fix the P0455 code on my 2007 Nissan Pathfinder?

Start by checking and tightening or replacing the gas cap. If the issue persists, inspect the EVAP system components (hoses, valves, and canister) for leaks or damage and replace faulty parts.

6. Is it safe to drive with the P0455 code on my 2007 Nissan Pathfinder?

Yes, it is generally safe to drive, but ignoring the issue can lead to increased emissions and potentially more costly repairs if left unresolved.

7. How do I diagnose the P0455 code on a 2007 Nissan Pathfinder?

Use an OBDII scanner to confirm the code, then perform a visual inspection of the gas cap and EVAP system components. A smoke test may be needed to locate hard-to-detect leaks.

8. How much does it cost to repair the P0455 code on a 2007 Nissan Pathfinder?

Repair costs can vary widely, ranging from $20 for a new gas cap to $200–$600 for professional diagnosis and repair of EVAP components.

9. Can extreme weather cause the P0455 code on my 2007 Nissan Pathfinder?

Yes, extreme heat or cold can cause EVAP hoses to crack or seals to fail, potentially triggering the P0455 code.

10. Will clearing the P0455 code solve the problem on my 2007 Nissan Pathfinder?

Clearing the code will turn off the check engine light temporarily, but the problem will return if the underlying cause is not addressed.

Discuss the causes and fixes for P0455 2007 Nissan Pathfinder OBDII Code

Submit a New Comment

Code P0455 2007 Nissan Pathfinder comments

No comments found for this page.