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P0455 2005 Infiniti G35 Code - EVAP Control System Gross Leak Detected

Quick Answer

The P0455 code for a 2005 Infiniti G35 indicates that there is a gross leak detected in the EVAP (Evaporative Emission Control) system. Common causes include Loose or damaged gas cap, Leaking EVAP system hoses, Faulty EVAP canister. 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 2005 Infiniti G35 indicates EVAP Control System Gross Leak Detected.
Common causes
Common causes include Loose or damaged gas cap, Leaking EVAP system hoses, Faulty EVAP canister.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0455 2005 Infiniti G35 Description

The P0455 code for a 2005 Infiniti G35 indicates that there is a gross leak detected in the EVAP (Evaporative Emission Control) system. The EVAP system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from escaping into the atmosphere. When a gross leak is detected, it means that there is a significant issue with the system that could lead to increased emissions and potential fuel economy issues.

OBDII Code P0455 2005 Infiniti G35 - EVAP Control System Gross Leak Detected
P0455 2005 Infiniti G35 Code - EVAP Control System Gross Leak Detected

Common Causes of P0455 2005 Infiniti G35

  1. Loose or damaged gas cap
  2. Leaking EVAP system hoses
  3. Faulty EVAP canister
  4. Malfunctioning purge valve
  5. Cracked or damaged EVAP system components

Symptoms of P0455 2005 Infiniti G35

  1. Check engine light illuminated
  2. Decreased fuel efficiency
  3. Rough idle or stalling
  4. Strong fuel odor
  5. Failed emissions test

How to Fix P0455 2005 Infiniti G35

  1. Begin by inspecting the gas cap to ensure it is properly tightened or replacing it if damaged.
  2. Check all EVAP system hoses for leaks or damage, replacing any faulty hoses.
  3. Test the EVAP canister and purge valve for proper operation, replacing if necessary.
  4. Clear the diagnostic trouble codes and reset the check engine light.
  5. Perform a smoke test to verify that the EVAP system is no longer leaking.

Cost to Fix P0455 2005 Infiniti G35

The typical repair costs for addressing a P0455 code on a 2005 Infiniti G35 can range from $100 to $500, depending on the specific cause of the issue and the cost of parts and labor. It is important to note that diagnosis time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate. Rates typically range from $80 to $150 per hour, with rates potentially higher at dealerships or in metropolitan areas, and lower at independent shops.

What does this mean?

Tech Notes for P0455 2005 Infiniti G35

The P0455 it’s very common code because the code is set if the gas cap is loose or missing. Start by tightening the gas cap and clearing the code. In most cases, the code can be clear by disconnecting the car battery for about 30 minutes.



There is an Infiniti Service Bulletin to help diagnose the P0455 code:

Infiniti Factory Service Bulletin OBDII Code P0455

When is the Code Detected?

Malfunction is detected when EVAP control system has a leak, EVAP control system does not operate properly.

Need more information about the P0455 2005 Infiniti G35 code?

Need more information on how to fix the P0455 2005 Infiniti G35 code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0455 2005 Infiniti G35 Code

1. What does OBDII code P0455 mean for a 2005 Infiniti G35?

The OBDII code P0455 for a 2005 Infiniti G35 indicates that the EVAP control system has detected a gross leak.

2. What are the common symptoms of OBDII code P0455 in a 2005 Infiniti G35?

Common symptoms of OBDII code P0455 in a 2005 Infiniti G35 may include the check engine light coming on, a strong fuel odor, and potential difficulties while refueling.

3. What are the possible causes of OBDII code P0455 in a 2005 Infiniti G35?

Possible causes of OBDII code P0455 in a 2005 Infiniti G35 include a loose or damaged gas cap, a leak in the EVAP system hoses, a faulty EVAP canister, or a malfunctioning purge valve.

4. How can I diagnose the OBDII code P0455 in my 2005 Infiniti G35?

To diagnose the OBDII code P0455 in a 2005 Infiniti G35, you can start by checking the gas cap for tightness, inspecting the EVAP system hoses for leaks, and performing a smoke test to identify any leaks in the system.

5. How do I repair OBDII code P0455 in a 2005 Infiniti G35?

To repair OBDII code P0455 in a 2005 Infiniti G35, you may need to tighten or replace the gas cap, repair or replace damaged EVAP system hoses, replace a faulty EVAP canister, or fix a malfunctioning purge valve.

6. Can I drive my 2005 Infiniti G35 with OBDII code P0455?

It is generally safe to drive your 2005 Infiniti G35 with OBDII code P0455, but it is recommended to address the issue promptly to prevent potential negative effects on fuel economy and emissions.

7. How much does it cost to repair OBDII code P0455 in a 2005 Infiniti G35?

The cost to repair OBDII code P0455 in a 2005 Infiniti G35 can vary depending on the specific cause of the issue and the labor rates in your area. Simple fixes like tightening the gas cap may be inexpensive, while replacing major components like the EVAP canister can be more costly.

8. Will resetting the check engine light clear OBDII code P0455 in my 2005 Infiniti G35?

Resetting the check engine light may temporarily clear OBDII code P0455 in your 2005 Infiniti G35, but the underlying issue must be addressed to prevent the code from reappearing.

9. How often does OBDII code P0455 occur in a 2005 Infiniti G35?

OBDII code P0455 can occur sporadically in a 2005 Infiniti G35 due to factors like a loose gas cap, but if the code reappears frequently, it indicates a persistent issue with the EVAP system that needs attention.

10. Is it safe to ignore OBDII code P0455 in a 2005 Infiniti G35?

While it may be safe to drive with OBDII code P0455 in a 2005 Infiniti G35 in the short term, ignoring the issue can lead to decreased fuel efficiency and increased emissions over time. It is best to address the problem as soon as possible.

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