Engine-Codes.com
Engine-Codes – Nissan – P1279 2005 Nissan Altima Sedan

P1279 2005 Nissan Altima Sedan Code - Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response

Quick Answer

The P1279 diagnostic trouble code (DTC) for a 2005 Nissan Altima Sedan indicates a problem with the Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response. Common causes include Faulty air fuel ratio sensor, Damaged wiring or connectors in the sensor circuit, ECM software issues. 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
P1279 2005 Nissan Altima Sedan indicates Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response.
Common causes
Common causes include Faulty air fuel ratio sensor, Damaged wiring or connectors in the sensor circuit, ECM software issues.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1279 2005 Nissan Altima Sedan Description

The P1279 diagnostic trouble code (DTC) for a 2005 Nissan Altima Sedan indicates a problem with the Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response. This sensor is responsible for monitoring the air-fuel mixture in the exhaust gases and sending feedback to the engine control module (ECM) for optimal fuel efficiency and emissions control. When the sensor detects a slow response in its circuit, it means that the ECM is not receiving accurate data in a timely manner, which can lead to a variety of performance issues.

OBDII Code P1279 2005 Nissan Altima Sedan - Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response
P1279 2005 Nissan Altima Sedan Code - Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response

Common Causes of P1279 2005 Nissan Altima Sedan

  1. Faulty air fuel ratio sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. ECM software issues
  4. Exhaust leaks near the sensor
  5. Contaminated sensor due to oil or coolant leaks

Symptoms of P1279 2005 Nissan Altima Sedan

  1. Decreased fuel efficiency
  2. Rough idling
  3. Hesitation during acceleration
  4. Check Engine Light illuminated
  5. Increased emissions

How to Fix P1279 2005 Nissan Altima Sedan

  1. Begin by diagnosing the specific cause of the slow response, using a scan tool to monitor the sensor's data and check for any related trouble codes.
  2. Inspect the air fuel ratio sensor, wiring, and connectors for any visible damage or contamination. Replace any faulty components.
  3. Clear the DTC and reset the ECM to see if the code returns after repairs. Drive the vehicle to ensure that the issue has been resolved.
  4. If the problem persists, further diagnostics may be needed to check for ECM software issues or exhaust leaks near the sensor.
  5. Test drive the vehicle again to confirm that the air fuel ratio sensor is responding correctly and that the performance issues have been resolved.

Cost to Fix P1279 2005 Nissan Altima Sedan

The typical repair costs for addressing a P1279 code on a 2005 Nissan Altima Sedan can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. This estimate includes the cost of a new air fuel ratio sensor, any necessary wiring repairs, and diagnostic time. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. For a more accurate estimate, it is recommended to check with local auto repair shops.

When is the Code Detected?

The response (from RICH to LEAN) of the A/F signal computed by ECM from A/F sensor 1 signal takes more than the specified time.

Need more information about the P1279 2005 Nissan Altima Sedan code?

Need more information on how to fix the P1279 2005 Nissan Altima Sedan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1279 2005 Nissan Altima Sedan code diagnosed by a professional: Find a repair shop in your area

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 P1279 2005 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P1279 in a 2005 Nissan Altima Sedan?

- Common symptoms include poor fuel economy, rough idling, engine hesitation, and potential stalling.

2. What does the OBDII code P1279 for a 2005 Nissan Altima Sedan indicate?

- The code P1279 indicates a slow response from Air Fuel Ratio Sensor 1 Bank 1 in the vehicle's engine system.

3. What are the possible causes of OBDII code P1279 in a 2005 Nissan Altima Sedan?

- Possible causes include a faulty air fuel ratio sensor, wiring issues, a vacuum leak, or problems with the fuel system.

4. How can I diagnose the OBDII code P1279 in my 2005 Nissan Altima Sedan?

- Diagnosis typically involves using an OBDII scanner to read the code, inspecting the air fuel ratio sensor and its wiring, and checking for any vacuum leaks.

5. Can I still drive my 2005 Nissan Altima Sedan with OBDII code P1279?

- It is not recommended to drive the vehicle with this code as it can lead to potential engine performance issues and further damage if left unresolved.

6. How do I repair OBDII code P1279 in my 2005 Nissan Altima Sedan?

- Repair involves replacing the Air Fuel Ratio Sensor 1 Bank 1 if faulty, fixing any wiring issues, addressing vacuum leaks, and ensuring the fuel system is functioning properly.

7. Is it possible to reset the OBDII code P1279 in a 2005 Nissan Altima Sedan?

- Yes, after addressing and fixing the underlying issue causing the code, the code can be cleared using an OBDII scanner or by disconnecting the battery for a few minutes.

8. How much does it cost to fix OBDII code P1279 in a 2005 Nissan Altima Sedan?

- The cost of repair can vary depending on the exact cause of the code, but it typically ranges from $200 to $500, including parts and labor.

9. Can a DIY enthusiast fix OBDII code P1279 in a 2005 Nissan Altima Sedan?

- While some experienced DIY enthusiasts may be able to address the issue themselves, it is recommended to consult a professional mechanic for proper diagnosis and repair.

10. How often does OBDII code P1279 occur in a 2005 Nissan Altima Sedan?

- The occurrence of this code can vary, but it is not an uncommon issue in vehicles of this model year, especially as they age.

1. What are the common symptoms of OBDII code P1279 on a 2005 Nissan Altima Sedan?

The common symptoms of code P1279 include poor fuel efficiency, rough idling, hesitation or lack of power during acceleration, and illuminated Check Engine Light.

2. What does the OBDII code P1279 on a 2005 Nissan Altima Sedan indicate?

Code P1279 indicates a slow response from Air Fuel Ratio Sensor 1 Bank 1 circuit in the vehicle's engine.

3. What are the possible causes of OBDII code P1279 on a 2005 Nissan Altima Sedan?

Possible causes of code P1279 include a faulty Air Fuel Ratio Sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks, or issues with the engine's air-fuel mixture.

4. How can I diagnose the OBDII code P1279 on my 2005 Nissan Altima Sedan?

Diagnosing code P1279 involves using an OBDII scanner to retrieve the code, inspecting the Air Fuel Ratio Sensor and its wiring for damage, checking for exhaust leaks, and testing the sensor's response time.

5. Can I continue driving my 2005 Nissan Altima Sedan with OBDII code P1279?

It is not recommended to continue driving with code P1279 unresolved, as it can lead to poor engine performance and potential damage. It's best to address the issue promptly.

6. How can I repair OBDII code P1279 on my 2005 Nissan Altima Sedan?

Repairing code P1279 may involve replacing the Air Fuel Ratio Sensor, repairing or replacing damaged wiring or connectors, fixing any exhaust leaks, and ensuring the engine's air-fuel mixture is within specifications.

7. Is it possible to reset the OBDII code P1279 on a 2005 Nissan Altima Sedan without fixing the underlying issue?

While you can clear the code with an OBDII scanner, it will likely reappear if the underlying issue causing code P1279 is not addressed.

8. How much does it cost to repair OBDII code P1279 on a 2005 Nissan Altima Sedan?

The cost of repairing code P1279 can vary depending on the specific issue, but it may involve parts and labor costs for sensor replacement, wiring repairs, or other necessary repairs.

9. Can a DIY enthusiast fix OBDII code P1279 on a 2005 Nissan Altima Sedan?

Depending on the DIY enthusiast's skill level and access to tools, it may be possible to address code P1279 by replacing the Air Fuel Ratio Sensor or repairing damaged wiring. However, more complex issues may require professional assistance.

10. How often does OBDII code P1279 occur in 2005 Nissan Altima Sedans?

Code P1279 related to the Air Fuel Ratio Sensor 1 Bank 1 circuit slow response may occur sporadically in 2005 Nissan Altima Sedans due to sensor wear, wiring issues, or other factors.

Discuss the causes and fixes for P1279 2005 Nissan Altima Sedan OBDII Code

Submit a New Comment

Code P1279 2005 Nissan Altima Sedan comments

No comments found for this page.