P0455 2003 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 2003 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 2003 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 2003 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 2003 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 2003 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 2003 Infiniti G35 Code
1. What does the OBDII code P0455 on my 2003 Infiniti G35 mean?
The code P0455 indicates that the EVAP (Evaporative Emission Control) system has detected a large leak.
2. What are the common symptoms of a P0455 code on a 2003 Infiniti G35?
Common symptoms of a P0455 code include the check engine light turning on, the smell of gasoline near the vehicle, and a decrease in fuel efficiency.
3. What are the possible causes of a P0455 code in a 2003 Infiniti G35?
Potential causes of a P0455 code include a loose or damaged gas cap, cracked or disconnected EVAP hoses, a faulty EVAP canister, or a malfunctioning purge valve.
4. How serious is a P0455 code on a 2003 Infiniti G35?
While a P0455 code may not cause immediate drivability issues, it is important to address it promptly to prevent further damage to the EVAP system and ensure proper emissions control.
5. How can I diagnose a P0455 code on my 2003 Infiniti G35?
Diagnosing a P0455 code typically involves checking the gas cap for tightness, inspecting the EVAP system components for visible damage, and using a smoke machine to pinpoint the location of the leak.
6. Can I continue driving my 2003 Infiniti G35 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 maintain proper emissions control.
7. How much does it cost to repair a P0455 code on a 2003 Infiniti G35?
The cost of repairing a P0455 code can vary depending on the exact cause of the issue, but it may range from $100 to $500, including parts and labor.
8. Can I clear a P0455 code on my 2003 Infiniti G35 without fixing the issue?
While you can clear the code using an OBDII scanner, it is not recommended to do so without addressing the underlying problem, as the code is likely to return.
9. Is the P0455 code a common issue in 2003 Infiniti G35 vehicles?
The P0455 code can be a relatively common issue in 2003 Infiniti G35 vehicles due to the age of the EVAP system components and potential wear and tear over time.
10. How long does it typically take to repair a P0455 code on a 2003 Infiniti G35?
The repair time for a P0455 code can vary depending on the exact cause of the issue, but it may take anywhere from 1 to 3 hours to diagnose and fix the problem.
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