P0455 2010 Nissan Pathfinder Code - EVAP Control System Gross Leak Detected
Quick Answer
This diagnosis detects leaks in the Evaporative Emission System (EVAP) purge line using engine intake manifold vacuum. Common causes include Missing or loose fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close. 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 2010 Nissan Pathfinder indicates EVAP Control System Gross Leak Detected.
- Common causes
- Common causes include Missing or loose fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close.
- 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.
Code P0455 2010 Nissan Pathfinder Description
The vacuum cut valve bypass valve is opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. The EVAP canister vent control valve will then be closed to shut the EVAP purge line off. The EVAP canister purge volume control solenoid valve is opened to depressurize the EVAP purge line using intake manifold vacuum. After this depressurization is implemented, the EVAP canister purge volume control solenoid valve will be closed.
What are the Possible Causes of the DTC P0455 2010 Nissan Pathfinder?
- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking
How to Fix the DTC P0455 2010 Nissan Pathfinder?
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.
Code Tech Notes
There is a factory Nissan service bulletin to help diagnose the P0455 code:
Nissan Factory Service Bulletin OBDII Code P0455
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0455 2010 Nissan Pathfinder 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 P0455 2010 Nissan Pathfinder code?
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Need Help with the Code?
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Frequently Asked Questions about P0455 2010 Nissan Pathfinder Code
1. What does OBDII code P0455 mean for my 2010 Nissan Pathfinder?
- The code P0455 indicates a "EVAP Control System Gross Leak Detected" error on your vehicle, pointing to a significant leak in the evaporative emission control system.
2. What are the common symptoms of a P0455 code on a 2010 Nissan Pathfinder?
- Common symptoms may include the illumination of the check engine light, a strong fuel odor around the vehicle, and potential issues with the vehicle's fuel efficiency.
3. What are some possible causes of a P0455 code on a 2010 Nissan Pathfinder?
- Potential causes include a loose or missing gas cap, damaged EVAP hoses or lines, a faulty EVAP purge valve, a cracked charcoal canister, or a malfunctioning EVAP pressure sensor.
4. How serious is a P0455 code on a 2010 Nissan Pathfinder?
- While a P0455 code may not cause immediate drivability issues, it is important to address the problem promptly as it can lead to increased emissions, decreased fuel efficiency, and potential long-term damage to the emissions control system.
5. How can I diagnose a P0455 code on my 2010 Nissan Pathfinder?
- Diagnosing a P0455 code typically involves inspecting the gas cap for tightness, visually checking the EVAP system components for damage, using a smoke machine to detect leaks, and using a scan tool to monitor EVAP system data.
6. Can I continue driving my 2010 Nissan Pathfinder with a P0455 code?
- It is generally safe to drive your vehicle with a P0455 code, but it is recommended to have the issue diagnosed and repaired as soon as possible to prevent potential long-term problems and ensure compliance with emissions regulations.
7. How can I repair a P0455 code on my 2010 Nissan Pathfinder?
- Repairing a P0455 code may involve tightening or replacing the gas cap, repairing or replacing damaged EVAP hoses or components, testing and replacing the EVAP purge valve or pressure sensor, or replacing the charcoal canister if necessary.
8. Can a P0455 code on a 2010 Nissan Pathfinder be fixed without professional help?
- Some simple causes of a P0455 code, such as a loose gas cap, can be addressed by the vehicle owner. However, diagnosing and repairing more complex issues may require professional help from a qualified mechanic.
9. How much does it typically cost to repair a P0455 code on a 2010 Nissan Pathfinder?
- Repair costs for a P0455 code can vary depending on the exact cause of the issue and labor rates in your area. Simple fixes like tightening a gas cap may cost very little, while more complex repairs could range from $100 to $500 or more.
10. How can I prevent a P0455 code from recurring on my 2010 Nissan Pathfinder?
- To help prevent a recurrence of the P0455 code, make sure to always tighten the gas cap securely after refueling, regularly inspect the EVAP system components for damage, and address any potential issues promptly to maintain the system's integrity.
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