AutoCodes – Infiniti – P1168 2003 Infiniti G35

P1168 2003 Infiniti G35 Code - Closed Loop Control Function Bank 2

Quick Answer

The Engine Control Module (ECM) performs ON/OFF duty control of the Heated Oxygen Sensor 1 heater corresponding to the engine operating condition to keep the temperature of Heated Oxygen Sensor 1 element at the specified range. Common causes include Faulty Heated Oxygen Sensor 1 Bank 2, Heated Oxygen Sensor 1 Bank 2 harness is open or shorted, Heated Oxygen 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 2003 Infiniti G35 indicates Closed Loop Control Function Bank 2.
Common causes: Common causes include Faulty Heated Oxygen Sensor 1 Bank 2, Heated Oxygen Sensor 1 Bank 2 harness is open or shorted, Heated Oxygen 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 6,064

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 Apr 01, 2024

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
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Code P1168 2003 Infiniti G35 Description

OBDII Code P1168 2003 Infiniti G35 - Closed Loop Control Function Bank 2 - AutoCodes.com — P1168 2003 Infiniti G35 Code - Closed Loop Control Function Bank 2

What does this mean?

What are the Possible Causes of the DTC P1168 2003 Infiniti G35?

Faulty Heated Oxygen Sensor 1 Bank 2
Heated Oxygen Sensor 1 Bank 2 harness is open or shorted
Heated Oxygen Sensor 1 Bank 2 circuit poor electrical connection

How to Fix the DTC P1168 2003 Infiniti G35?

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 2003 Infiniti G35 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 2003 Infiniti G35 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 2003 Infiniti G35 Code

1. What does OBDII code P1168 on a 2003 Infiniti G35 mean?

The code P1168 in a 2003 Infiniti G35 indicates an issue with the Closed Loop Control Function Bank 2.

2. What are the common symptoms of OBDII code P1168 in a 2003 Infiniti G35?

Common symptoms of code P1168 may include poor engine performance, reduced fuel efficiency, and the illumination of the Check Engine Light.

3. What are the possible causes of OBDII code P1168 on a 2003 Infiniti G35?

Potential causes of code P1168 can be a faulty oxygen sensor, issues with the fuel system, vacuum leaks, or problems with the engine's air intake system.

4. How can I diagnose the OBDII code P1168 on my 2003 Infiniti G35?

To diagnose code P1168, it is recommended to use an OBDII scanner to retrieve the specific error code, check the oxygen sensors, inspect the fuel system, and look for any vacuum leaks.

5. How can I repair OBDII code P1168 on my 2003 Infiniti G35?

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

6. Can I continue driving my 2003 Infiniti G35 with OBDII code P1168?

It is not recommended to continue driving your vehicle with an unresolved OBDII code like P1168, as it can lead to further damage and potential safety hazards.

7. How much does it cost to fix OBDII code P1168 on a 2003 Infiniti G35?

The cost of fixing code P1168 can vary depending on the specific cause of the issue, but it may involve parts replacement and labor costs that can range from a few hundred to over a thousand dollars.

8. Will resetting the OBDII code P1168 on my 2003 Infiniti G35 make it go away permanently?

Simply resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue causing code P1168 is not addressed, the code is likely to reappear.

9. How long does it take to repair OBDII code P1168 on a 2003 Infiniti G35?

The repair time for code P1168 can vary based on the extent of the issue and the specific repairs needed, but it can typically take a few hours to a full day at a repair shop.

10. Can a DIY enthusiast fix OBDII code P1168 on a 2003 Infiniti G35?

Depending on your skills and experience with automotive repairs, some aspects of fixing code P1168 may be DIY-friendly, but complex issues or parts replacement may require professional assistance.