P0455 2007 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 2007 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 2007 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 2007 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 2007 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
There is a factory service bulletin for the 2007 Nissan Pathfinder:
2005-2007 Nissan Pathfinder Service Bulletin OBDII Code P0455
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0455 2007 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 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
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
Code P0455 2007 Nissan Pathfinder comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
