P0442 2006 Infiniti G35 Code - EVAP Control System Leak Detected Small Leak
Quick Answer
The P0442 code for a 2006 Infiniti G35 indicates that there is a small leak detected in the EVAP (Evaporative Emission Control) system. Common causes include Loose or damaged gas cap, Cracked or disconnected EVAP hoses, Faulty EVAP canister purge valve. 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
- P0442 2006 Infiniti G35 indicates EVAP Control System Leak Detected Small Leak.
- Common causes
- Common causes include Loose or damaged gas cap, Cracked or disconnected EVAP hoses, Faulty EVAP canister purge valve.
- 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.
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Code P0442 2006 Infiniti G35 Description
The P0442 code for a 2006 Infiniti G35 indicates that there is a small 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 small leak is detected, it means that there is an issue with the system's ability to maintain pressure, which can lead to increased emissions and decreased fuel efficiency.
Common Causes of P0442 2006 Infiniti G35
- Loose or damaged gas cap
- Cracked or disconnected EVAP hoses
- Faulty EVAP canister purge valve
- Leaking EVAP canister
- Damaged charcoal canister
Symptoms of P0442 2006 Infiniti G35
- Check engine light illuminated
- Strong fuel odor near the vehicle
- Decreased fuel efficiency
- Rough idling or stalling
- Failed emissions test
How to Fix P0442 2006 Infiniti G35
- Inspect the gas cap for any visible damage and ensure it is tightened properly.
- Check all EVAP hoses for cracks or disconnections and replace as needed.
- Test the EVAP canister purge valve for proper operation and replace if faulty.
- Inspect the EVAP canister for leaks and replace if necessary.
- Check the charcoal canister for damage and replace if needed.
Cost to Fix P0442 2006 Infiniti G35
The typical repair costs for addressing a P0442 code on a 2006 Infiniti G35 can range from $100 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to check local rates for a more accurate estimate. Additionally, factors such as location, vehicle make and model, and engine type can also impact the overall repair costs.
Tech Notes for P0442 2006 Infiniti G35
There is an Infiniti Service Bulletin to help diagnose the P0442 code:
Infiniti Factory Service Bulletin OBDII Code P0442
When is the Code Detected?
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Frequently Asked Questions about P0442 2006 Infiniti G35 Code
1. What does the OBDII code P0442 mean on a 2006 Infiniti G35?
P0442 indicates a small leak in the EVAP (Evaporative Emission Control) system, which prevents fuel vapors from escaping into the atmosphere.
2. What are the common symptoms of P0442 on a 2006 Infiniti G35?
Symptoms may include the check engine light turning on, a slight fuel smell near the vehicle, and potentially reduced fuel efficiency. There are often no noticeable performance issues.
3. What causes the P0442 code to appear on a 2006 Infiniti G35?
Common causes include 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 P0442 code on my Infiniti G35?
Yes, a loose, damaged, or improperly sealed gas cap is one of the most frequent causes of the P0442 code.
5. How do I diagnose the P0442 code on a 2006 Infiniti G35?
Start by checking the gas cap for damage or looseness. Then inspect EVAP hoses for cracks or disconnections, and use a smoke test to locate leaks if necessary.
6. Is it safe to drive with the P0442 code on my Infiniti G35?
Yes, it is usually safe to drive with this code, as it doesn't typically affect performance. However, it should be addressed to ensure proper emissions control and avoid potential complications.
7. How do I fix the P0442 code on a 2006 Infiniti G35?
Begin by tightening or replacing the gas cap. If the problem persists, inspect and replace any damaged EVAP hoses, purge valve, or the charcoal canister as needed.
8. How much does it cost to repair the P0442 code on an Infiniti G35?
Repair costs vary depending on the cause. Replacing a gas cap may cost $10-$50, while repairing EVAP system components can range from $100 to $600.
9. Can extreme weather cause the P0442 code on my 2006 Infiniti G35?
Yes, extreme temperatures can cause plastic or rubber EVAP components to crack, potentially leading to a small leak and triggering the P0442 code.
10. Will clearing the P0442 code solve the issue on my Infiniti G35?
Clearing the code will temporarily turn off the check engine light, but the underlying issue must be fixed to prevent the code from returning.
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