AutoCodes – Nissan – P1168 2008 Nissan Altima Sedan

P1168 2008 Nissan Altima Sedan 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 2008 Nissan Altima Sedan 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 7,440

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

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
Comments
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Code P1168 2008 Nissan Altima Sedan Description

OBDII Code P1168 2008 Nissan Altima Sedan - Closed Loop Control Function Bank 2 - AutoCodes.com — P1168 2008 Nissan Altima Sedan Code - Closed Loop Control Function Bank 2

What does this mean?

What are the Possible Causes of the DTC P1168 2008 Nissan Altima Sedan?

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 2008 Nissan Altima Sedan?

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 2008 Nissan Altima Sedan 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 2008 Nissan Altima Sedan 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 2008 Nissan Altima Sedan Code

1. What does OBDII code P1168 on a 2008 Nissan Altima Sedan mean?

- OBDII code P1168 indicates an issue with the Closed Loop Control Function Bank 2 in the engine's fuel system.

2. What are the common symptoms of a P1168 code in a 2008 Nissan Altima Sedan?

- Common symptoms include decreased fuel efficiency, rough idling, engine misfires, and in some cases, the Check Engine light may illuminate.

3. What are the possible causes of a P1168 code in a 2008 Nissan Altima Sedan?

- Causes may include a faulty oxygen sensor, a vacuum leak, issues with the fuel pressure regulator, or problems with the fuel injectors.

4. How can I diagnose a P1168 code in my 2008 Nissan Altima Sedan?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the oxygen sensor, checking for vacuum leaks, and testing the fuel pressure regulator.

5. Can I drive my 2008 Nissan Altima Sedan with a P1168 code?

- It is not recommended to drive with a P1168 code as it can lead to poor engine performance and potentially cause further damage to the vehicle.

6. How serious is a P1168 code in a 2008 Nissan Altima Sedan?

- While the severity can vary, it is important to address a P1168 code promptly to prevent long-term damage to the engine and ensure optimal vehicle performance.

7. How much does it typically cost to repair a P1168 code in a 2008 Nissan Altima Sedan?

- The cost of repairs can vary depending on the exact cause of the code, but it may range from $200 to $600 or more, including parts and labor.

8. Can I fix a P1168 code in my 2008 Nissan Altima Sedan myself?

- Depending on your mechanical skills and access to tools, some DIY enthusiasts may be able to address a P1168 code themselves. However, it's recommended to consult a professional mechanic for accurate diagnosis and repair.

9. Are there any DIY tips for addressing a P1168 code in a 2008 Nissan Altima Sedan?

- DIY tips may include checking for visible signs of damage or wear on the oxygen sensor, inspecting vacuum hoses for leaks, and ensuring proper fuel system maintenance.

10. How can I prevent a P1168 code from recurring in my 2008 Nissan Altima Sedan?

- Regular maintenance, such as timely replacement of oxygen sensors, checking for vacuum leaks, and using high-quality fuel, can help prevent the recurrence of a P1168 code.