P0455 2007 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 2007 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 2007 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 2007 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 2007 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
There is a factory Nissan service bulletin for the 2007 Nissan Altima Sedan:
2007 Nissan Altima Sedan Factory Service Bulletin OBDII Code P0455
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0455 2007 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.
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Frequently Asked Questions about P0455 2007 Nissan Altima Sedan Code
1. What does OBDII code P0455 mean for a 2007 Nissan Altima Sedan?
The code P0455 indicates that the EVAP control system has detected a gross leak.
2. What are common symptoms of OBDII code P0455 on a 2007 Nissan Altima Sedan?
Common symptoms include the check engine light being illuminated, a strong fuel odor around the vehicle, and potential issues with passing emissions tests.
3. What are some possible causes of OBDII code P0455 on a 2007 Nissan Altima Sedan?
Potential causes include a loose or damaged gas cap, a cracked or disconnected EVAP system hose, a faulty EVAP canister, or a malfunctioning purge valve.
4. How can I diagnose the source of a gross leak causing OBDII code P0455 on my 2007 Nissan Altima Sedan?
To diagnose the issue, you can visually inspect the EVAP system components for signs of damage, check the gas cap for proper sealing, perform a smoke test to detect leaks, and use a scan tool to monitor EVAP system data.
5. Are there any simple fixes I can try to resolve OBDII code P0455 on my 2007 Nissan Altima Sedan?
You can start by ensuring the gas cap is tightly sealed after refueling, as a loose cap is a common cause of this code. If the cap is secure, visually inspect the EVAP system hoses for any visible damage or disconnections.
6. Can driving with OBDII code P0455 on a 2007 Nissan Altima Sedan cause further damage?
Continuing to drive with a gross leak in the EVAP system can potentially lead to increased emissions, reduced fuel efficiency, and may cause further damage to other emissions components over time.
7. Is it safe to ignore OBDII code P0455 on a 2007 Nissan Altima Sedan?
It is not recommended to ignore this code, as it can lead to environmental pollution, reduced fuel economy, and potential issues with passing emissions tests. It is best to diagnose and repair the underlying cause promptly.
8. How much does it typically cost to repair OBDII code P0455 on a 2007 Nissan Altima Sedan?
The cost of repairs for code P0455 can vary depending on the specific cause of the issue. Simple fixes like replacing a gas cap may be relatively inexpensive, while more complex repairs involving EVAP system components could be more costly.
9. Can I reset OBDII code P0455 on my 2007 Nissan Altima Sedan with a scan tool?
While you can use a scan tool to clear the code, it is essential to address the underlying cause of the issue first. Simply resetting the code without fixing the leak will likely result in the code reappearing.
10. How long does it typically take to repair OBDII code P0455 on a 2007 Nissan Altima Sedan?
The repair time for code P0455 can vary depending on the cause of the issue and the complexity of the repair needed. Simple fixes may be completed within an hour, while more involved repairs could take several hours or longer.
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