AutoCodes – Nissan – P1442 2005 Nissan Sentra

P1442 2005 Nissan Sentra Code - Evaporative Emission Control System Leak Detected

Quick Answer

This diagnosis detects leaks in the EVAP purge line using of vapor pressure in the fuel tank. Common causes include Missing or loose fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1442 2005 Nissan Sentra indicates Evaporative Emission Control System 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: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 2,491

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1442 2005 Nissan Sentra Description

This diagnosis detects leaks in the EVAP purge line using of vapor pressure in the fuel tank. The EVAP canister vent control valve is closed to shut the EVAP purge line. The vacuum cut valve bypass valve will then be opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. The EVAP control system pressure sensor can now monitor the pressure inside the fuel tank.
If pressure increases, the Engine Control Module (ECM) will check for leaks in the line between the vacuum cut valve and EVAP canister purge volume control solenoid valve.

OBDII Code P1442 2005 Nissan Sentra - Evaporative Emission Control System Leak Detected - AutoCodes.com — P1442 2005 Nissan Sentra Code - Evaporative Emission Control System Leak Detected

What does this mean?

What are the Possible Causes of the DTC P1442 2005 Nissan Sentra?

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 P1442 2005 Nissan Sentra?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1442 2005 Nissan Sentra 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.

Need more information about the P1442 2005 Nissan Sentra code?

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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 P1442 2005 Nissan Sentra Code

1. What are the common symptoms of OBDII code P1442 on a 2005 Nissan Sentra?

- Common symptoms include the check engine light turning on, decreased fuel efficiency, and a noticeable gasoline odor.

2. What does the OBDII code P1442 on a 2005 Nissan Sentra indicate?

- This code indicates that the Evaporative Emission Control System has detected a leak.

3. What are the possible causes of OBDII code P1442 on a 2005 Nissan Sentra?

- Possible causes include a loose gas cap, damaged hoses or lines, a faulty purge valve, or issues with the charcoal canister.

4. How can I diagnose the source of the leak triggering OBDII code P1442 on my 2005 Nissan Sentra?

- To diagnose the leak, you can visually inspect the hoses and lines for damage, check the gas cap for proper sealing, and use a smoke machine to pinpoint the source of the leak.

5. Can I continue driving my 2005 Nissan Sentra with OBDII code P1442 illuminated?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent potential problems with the emission control system.

6. Is it possible to reset the OBDII code P1442 on a 2005 Nissan Sentra by disconnecting the battery?

- While disconnecting the battery may clear the code temporarily, it is important to address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code P1442 on a 2005 Nissan Sentra?

- The cost of repair can vary depending on the exact cause of the code, but it may range from around $100 for a simple fix like a gas cap replacement to a few hundred dollars for more extensive repairs.

8. Can a DIY enthusiast fix OBDII code P1442 on a 2005 Nissan Sentra?

- Some simple fixes like tightening the gas cap or replacing damaged hoses can be done by DIY enthusiasts, but more complex repairs may require professional assistance.

9. How long does it usually take to repair OBDII code P1442 on a 2005 Nissan Sentra?

- The repair time can vary based on the cause of the code and the complexity of the fix, but most repairs can be completed within a few hours to a day.

10. Will OBDII code P1442 on a 2005 Nissan Sentra cause the vehicle to fail an emissions test?

- Yes, having this code illuminated may cause the vehicle to fail an emissions test, so it is advisable to address and resolve the issue before undergoing an emissions test.