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P1168 2007 Nissan Pathfinder Code - Closed Loop Control Function Bank 2

Quick Answer

The P1168 code on a 2007 Nissan Pathfinder indicates a problem with the closed-loop control function in Bank 2 of the engine. Common causes include Faulty oxygen sensor in Bank 2, Vacuum leaks in the intake system, Issues with the fuel injectors. 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 2007 Nissan Pathfinder indicates Closed Loop Control Function Bank 2.
Common causes
Common causes include Faulty oxygen sensor in Bank 2, Vacuum leaks in the intake system, Issues with the fuel injectors.
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 15, 2024
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Code P1168 2007 Nissan Pathfinder Description

The P1168 code on a 2007 Nissan Pathfinder indicates a problem with the closed-loop control function in Bank 2 of the engine. In a closed-loop system, the engine control module (ECM) monitors the oxygen sensor readings to adjust the air-fuel mixture in real-time for optimal combustion efficiency. Bank 2 refers to the side of the engine that does not contain cylinder 1.

OBDII Code P1168 2007 Nissan Pathfinder - Closed Loop Control Function Bank 2
P1168 2007 Nissan Pathfinder Code - Closed Loop Control Function Bank 2

Common Causes of P1168 2007 Nissan Pathfinder

  1. Faulty oxygen sensor in Bank 2
  2. Vacuum leaks in the intake system
  3. Issues with the fuel injectors
  4. Exhaust leaks near the oxygen sensor
  5. Wiring or connector problems in the oxygen sensor circuit

Symptoms of P1168 2007 Nissan Pathfinder

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Engine misfires
  4. Check Engine Light illuminated
  5. Reduced engine power

How to Fix P1168 2007 Nissan Pathfinder

  1. Use an OBD-II scanner to confirm the P1168 code and diagnose the specific issue.
  2. Inspect the oxygen sensor in Bank 2 for any signs of damage or malfunction.
  3. Check for vacuum leaks in the intake system and repair as necessary.
  4. Test the fuel injectors for proper operation and replace any faulty injectors.
  5. Inspect the exhaust system for leaks near the oxygen sensor and repair as needed.

Cost to Fix P1168 2007 Nissan Pathfinder

The cost of repairing a P1168 code on a 2007 Nissan Pathfinder can vary depending on the specific cause of the issue. In general, replacing a faulty oxygen sensor can cost between $200 and $300, including parts and labor. However, if additional repairs are needed, such as fixing vacuum leaks or replacing fuel injectors, the total cost could be higher. It's recommended to consult with a qualified mechanic to get an accurate estimate based on the specific diagnosis and required repairs. Labor rates at auto repair shops typically range from $80 to $150 per hour, but can vary based on location and other factors.

When is the Code Detected?

The closed loop control function for bank 1 does not operate even when vehicle is driving in the specified condition, the closed loop control function for bank 2 does not operate even when vehicle is driving in the specified condition.

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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 2007 Nissan Pathfinder Code

1. What is OBDII code P1168 on a 2007 Nissan Pathfinder?

OBDII code P1168 on a 2007 Nissan Pathfinder refers to an issue with the Closed Loop Control Function Bank 2.

2. What are common symptoms of OBDII code P1168 on a 2007 Nissan Pathfinder?

Common symptoms of code P1168 may include reduced engine performance, poor fuel economy, rough idling, and potentially an illuminated check engine light.

3. What can cause OBDII code P1168 on a 2007 Nissan Pathfinder?

Possible causes of code P1168 can include a faulty air/fuel ratio sensor, issues with the fuel injectors, vacuum leaks, or problems with the engine's coolant temperature sensor.

4. How do you diagnose OBDII code P1168 on a 2007 Nissan Pathfinder?

Diagnosing code P1168 typically involves using an OBDII scanner to retrieve the code, performing a visual inspection for any obvious issues, checking the air/fuel ratio sensor and related components, and verifying the engine's operating conditions.

5. Can I continue driving my 2007 Nissan Pathfinder with OBDII code P1168?

It is not recommended to drive your vehicle with an active OBDII code, as it can potentially lead to further damage and decrease in performance. It is best to address the issue promptly.

6. How do you repair OBDII code P1168 on a 2007 Nissan Pathfinder?

Repairing code P1168 may involve replacing a faulty air/fuel ratio sensor, addressing any vacuum leaks, cleaning or replacing fuel injectors, or checking and replacing the engine's coolant temperature sensor.

7. Are there any DIY tips for fixing OBDII code P1168 on a 2007 Nissan Pathfinder?

While some basic diagnostics can be done at home, repairing code P1168 often requires specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

8. How much does it cost to fix OBDII code P1168 on a 2007 Nissan Pathfinder?

The cost of repairing code P1168 can vary depending on the specific cause of the issue, the parts needed for replacement, and the labor rates of the repair shop. It's advisable to obtain quotes from different mechanics.

9. Can a bad oxygen sensor cause OBDII code P1168 on a 2007 Nissan Pathfinder?

Yes, a faulty air/fuel ratio sensor, which is a type of oxygen sensor, can potentially trigger code P1168 on a 2007 Nissan Pathfinder due to inaccurate readings affecting the closed-loop control function.

10. Is it important to address OBDII code P1168 promptly on a 2007 Nissan Pathfinder?

Yes, addressing code P1168 promptly is crucial to ensure optimal engine performance, fuel efficiency, and to prevent potential damage to other components in the vehicle's system.

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