P0455 2004 Nissan Altima Sedan 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 2004 Nissan Altima Sedan 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 2004 Nissan Altima Sedan 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 2004 Nissan Altima Sedan?
- 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 2004 Nissan Altima Sedan?
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 2004 Nissan Altima Sedan 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 2004 Nissan Altima Sedan code?
Need more information on how to fix the P0455 2004 Nissan Altima Sedan code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0455 2004 Nissan Altima Sedan code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0455 2004 Nissan Altima Sedan Code
1. What does OBDII code P0455 mean for a 2004 Nissan Altima Sedan?
- The code P0455 indicates a "Evaporative Emission Control System Gross Leak Detected" in the vehicle's EVAP system.
2. What are common symptoms associated with OBDII code P0455 in a 2004 Nissan Altima Sedan?
- Common symptoms include the check engine light coming on, a fuel smell near the vehicle, and potentially poor fuel efficiency.
3. What are the possible causes of OBDII code P0455 in a 2004 Nissan Altima Sedan?
- Causes can include a loose or damaged gas cap, a leak in the EVAP system hoses, a faulty purge valve, or a malfunctioning charcoal canister.
4. How serious is OBDII code P0455 in a 2004 Nissan Altima Sedan?
- While the code itself may not cause immediate drivability issues, it can lead to increased emissions and potential long-term engine problems if left unresolved.
5. How do I diagnose OBDII code P0455 in my 2004 Nissan Altima Sedan?
- Diagnosing the issue typically involves checking the gas cap for tightness, inspecting EVAP system hoses for leaks, testing the purge valve, and checking the charcoal canister for damage.
6. Can I continue driving my 2004 Nissan Altima Sedan with OBDII code P0455?
- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent further emissions-related problems.
7. How can I repair OBDII code P0455 in my 2004 Nissan Altima Sedan?
- Repair steps may include tightening or replacing the gas cap, repairing or replacing damaged hoses, replacing a faulty purge valve, or replacing a damaged charcoal canister.
8. What tools or equipment may I need to address OBDII code P0455 in my 2004 Nissan Altima Sedan?
- Common tools needed for diagnosis and repair include a code reader or scan tool, a socket set, pliers, and potentially a smoke machine for detecting leaks in the EVAP system.
9. Are there any DIY tips for fixing OBDII code P0455 in a 2004 Nissan Altima Sedan?
- DIY tips include ensuring the gas cap is properly tightened, visually inspecting hoses for damage, and using a smoke machine to pinpoint the location of leaks in the EVAP system.
10. How can I reset the check engine light after addressing OBDII code P0455 in my 2004 Nissan Altima Sedan?
- After the issue is resolved, the check engine light can typically be reset using a scan tool or by disconnecting the car's battery for a few minutes.
Discuss the causes and fixes for P0455 2004 Nissan Altima Sedan OBDII Code
Code P0455 2004 Nissan Altima Sedan 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.
