AutoCodes – Nissan – P1168 2011 Nissan Sentra

P1168 2011 Nissan Sentra Code - Closed Loop Control Function Bank 2

Quick Answer

The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F) heater corresponding to the engine operating condition to keep the temperature of Air Fuel Ratio (A/F) element at the specified range. Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection. 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: P1168 2011 Nissan Sentra indicates Closed Loop Control Function Bank 2.
Common causes: Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection.
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 3,042

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

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Table of contents Created and updated by William Orellana on May 06, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
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Code P1168 2011 Nissan Sentra Description

OBDII Code P1168 2011 Nissan Sentra - Closed Loop Control Function Bank 2 - AutoCodes.com — P1168 2011 Nissan Sentra Code - Closed Loop Control Function Bank 2

What does this mean?

What are the Possible Causes of the DTC P1168 2011 Nissan Sentra?

Faulty Air Fuel Ratio Sensor 1 Bank 2
Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted
Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection

How to Fix the DTC P1168 2011 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 P1168 2011 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 P1168 2011 Nissan Sentra code?

Need more information on how to fix the P1168 2011 Nissan Sentra code? Get Access to Factory Service Manuals

Need Help with the 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 P1168 2011 Nissan Sentra Code

1. What does OBDII code P1168 for a 2011 Nissan Sentra indicate?

The code P1168 in a 2011 Nissan Sentra refers to an issue with the Closed Loop Control Function Bank 2.

2. What are the common symptoms of OBDII code P1168 on a 2011 Nissan Sentra?

Common symptoms of code P1168 may include a decrease in fuel efficiency, rough idling, and potential issues with the vehicle's overall performance.

3. What are some potential causes of OBDII code P1168 on a 2011 Nissan Sentra?

Causes of code P1168 can include a faulty oxygen sensor, a vacuum leak, problems with the fuel system, or issues with the engine's air intake system.

4. How do I diagnose the reason behind OBDII code P1168 on my 2011 Nissan Sentra?

To diagnose the cause of code P1168, it is recommended to perform a thorough inspection of the oxygen sensors, check for vacuum leaks, and ensure the fuel system components are functioning properly.

5. Can I continue to drive my 2011 Nissan Sentra with OBDII code P1168?

While the vehicle may still be operable with code P1168, it is advisable to address the issue promptly to prevent potential damage to the engine or other components.

6. How can I repair OBDII code P1168 on a 2011 Nissan Sentra?

Repairing code P1168 may involve replacing a faulty oxygen sensor, fixing any vacuum leaks, addressing fuel system issues, or cleaning the air intake system.

7. Is it possible to reset OBDII code P1168 on a 2011 Nissan Sentra without addressing the underlying problem?

Resetting the code without fixing the underlying issue will only temporarily clear the error code, and the problem is likely to reoccur if not properly addressed.

8. Can a DIY enthusiast resolve OBDII code P1168 on a 2011 Nissan Sentra?

Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair code P1168, especially if the issue is related to an oxygen sensor replacement.

9. Will fixing OBDII code P1168 on a 2011 Nissan Sentra improve fuel efficiency?

Addressing code P1168 and resolving the underlying issue can potentially improve the vehicle's fuel efficiency, as the engine will be able to operate more efficiently in closed-loop mode.

10. How can regular maintenance help prevent OBDII code P1168 from occurring in a 2011 Nissan Sentra?

Regular maintenance, such as timely replacement of oxygen sensors, checking for vacuum leaks, and ensuring the fuel system is clean, can help prevent issues like code P1168 from occurring in a 2011 Nissan Sentra.