P0455 2006 Infiniti G35 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 2006 Infiniti G35 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 2006 Infiniti G35 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 2006 Infiniti G35?
- 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 2006 Infiniti G35?
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 an Infiniti Service Bulletin to help diagnose the P0455 code:
Infiniti Factory Service Bulletin OBDII Code P0455
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0455 2006 Infiniti G35 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 2006 Infiniti G35 Code
1. What does the OBDII code P0455 mean on a 2006 Infiniti G35?
P0455 indicates a "Gross Leak" in the EVAP (Evaporative Emission Control) system, meaning there is a large leak or disconnection preventing the system from containing fuel vapors.
2. What are the common symptoms of code P0455 in a 2006 Infiniti G35?
Common symptoms include the check engine light turning on, a possible fuel odor near the vehicle, and, in rare cases, reduced fuel efficiency.
3. What are the most common causes of a P0455 code in a 2006 Infiniti G35?
The most common causes are a loose or damaged gas cap, cracked or disconnected EVAP hoses, a faulty purge valve, or a malfunctioning charcoal canister.
4. Can a loose gas cap trigger the P0455 code on a 2006 Infiniti G35?
Yes, a loose, missing, or damaged gas cap is one of the most frequent causes of this code.
5. How do I diagnose a P0455 code on my 2006 Infiniti G35?
Start by checking the gas cap for proper fit and condition. Then, inspect EVAP hoses and components for damage or disconnections. If necessary, perform a smoke test to locate leaks.
6. Is it safe to drive with a P0455 code on a 2006 Infiniti G35?
Generally, it is safe to drive, as this code does not typically affect engine performance. However, it could lead to increased emissions and should be addressed promptly.
7. How can I fix the P0455 code on my 2006 Infiniti G35?
Begin by tightening or replacing the gas cap. If the issue persists, inspect and replace any damaged EVAP hoses, valves, or the charcoal canister as needed.
8. Can extreme weather cause the P0455 code on a 2006 Infiniti G35?
Yes, extreme heat or cold can sometimes cause EVAP system components, like hoses, to crack or become loose, leading to this code.
9. Will clearing the P0455 code solve the problem on my 2006 Infiniti G35?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be fixed to prevent the code from returning.
10. How much does it cost to repair a P0455 code on a 2006 Infiniti G35?
Repair costs can range from $20 for a new gas cap to $200-$600 for replacing other EVAP components, depending on the issue and labor rates.
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