P1168 Infiniti 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)/Heated Oxygen Sensor 1 heater corresponding to the engine operating condition to keep the temperature of Air Fuel Ratio (A/F)/Heated Oxygen Sensor 1 element at the specified range. Common causes include For Models 2005 and up:, Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted. 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 Infiniti indicates Closed Loop Control Function Bank 2.
- Common causes
- Common causes include For Models 2005 and up:, Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted.
- 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.
Code P1168 Infiniti Description
What are the Possible Causes of the DTC P1168 Infiniti?
-
For Models 2005 and up:
- 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 For Models before 2005:
- 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 Infiniti?
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.
Code Tech Notes
2004-2005 Infiniti FX35 2WD
2004-2005 Infiniti FX35 4WD
2004-2005 Infiniti G35 Sedan 2WD
2004-2005 Infiniti G35 Sedan 4WD
Infiniti Factory Service Bulletin OBDII Code P1168
The bulletin suggests reprogramming the Engine Control Module (ECM) first before replacing any parts.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1168 Infiniti 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 Infiniti code?
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Need Help with the Code?
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Information for Specific Infiniti Models
- P1168 2003 Infiniti G35 — Closed Loop Control Function Bank 2
- P1168 2004 Infiniti G35 — Closed Loop Control Function Bank 2
- P1168 2005 Infiniti G35 — Closed Loop Control Function Bank 2
- P1168 2006 Infiniti G35 — Closed Loop Control Function Bank 2
Frequently Asked Questions about P1168 Infiniti Code
1. What is the OBDII code P1168 in an Infiniti related to?
The code P1168 in an Infiniti is specifically related to the Closed Loop Control Function Bank 2.
2. What are some common symptoms of OBDII code P1168 in an Infiniti?
Common symptoms of OBDII code P1168 in an Infiniti may include poor engine performance, decreased fuel efficiency, and potential stalling.
3. What are possible causes of OBDII code P1168 in an Infiniti?
Possible causes of OBDII code P1168 in an Infiniti may include a faulty oxygen sensor, issues with the fuel system, vacuum leaks, or problems with the engine's air-fuel ratio.
4. How can I diagnose OBDII code P1168 in my Infiniti?
Diagnosing OBDII code P1168 in your Infiniti typically involves using an OBDII scanner to retrieve the specific fault code, inspecting the oxygen sensor, checking for vacuum leaks, and testing the fuel system components.
5. Can I still drive my Infiniti with OBDII code P1168?
It is not recommended to drive your Infiniti with OBDII code P1168, as it can lead to further engine damage and potential safety hazards. It is best to address the issue promptly.
6. How serious is OBDII code P1168 in an Infiniti?
OBDII code P1168 in an Infiniti should be taken seriously, as it can impact the overall performance and efficiency of the vehicle. Ignoring the issue can lead to more severe problems over time.
7. What are some repair tips for fixing OBDII code P1168 in an Infiniti?
Repair tips for fixing OBDII code P1168 in an Infiniti may include replacing the oxygen sensor, repairing any vacuum leaks, checking the fuel system for issues, and ensuring proper air-fuel ratio.
8. Can I reset OBDII code P1168 in my Infiniti by disconnecting the battery?
While disconnecting the battery may clear the code temporarily, it is not a recommended method for fixing OBDII code P1168 in an Infiniti. It is best to address the underlying issue causing the code.
9. How much does it cost to repair OBDII code P1168 in an Infiniti?
The cost to repair OBDII code P1168 in an Infiniti can vary depending on the specific cause of the issue. It is recommended to consult with a professional mechanic for an accurate diagnosis and cost estimate.
10. Can a DIY enthusiast fix OBDII code P1168 in an Infiniti?
While some aspects of addressing OBDII code P1168 may be DIY-friendly, it is generally recommended to consult with a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.
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