P1168 2004 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 2004 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.
Code P1168 2004 Infiniti G35 Description
What are the Possible Causes of the DTC P1168 2004 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 2004 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.
Code Tech Notes
2004 Infiniti G35 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 2004 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.
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Frequently Asked Questions about P1168 2004 Infiniti G35 Code
1. What does OBDII code P1168 on a 2004 Infiniti G35 mean?
This code indicates an issue with the closed-loop control function on bank 2 of the engine.
2. What are the common symptoms of OBDII code P1168 on a 2004 Infiniti G35?
Common symptoms include poor engine performance, decreased fuel efficiency, and potentially rough idling.
3. What are the possible causes of OBDII code P1168 on a 2004 Infiniti G35?
Common causes may include 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 source of OBDII code P1168 on a 2004 Infiniti G35?
Diagnosing this code typically involves using a scan tool to check for any related trouble codes, inspecting the oxygen sensors, and performing a thorough inspection of the engine components.
5. Can I drive my 2004 Infiniti G35 with OBDII code P1168?
It is not recommended to drive the vehicle with this code present, as it can lead to further engine damage and reduced performance.
6. How can I repair OBDII code P1168 on my 2004 Infiniti G35?
Repairing this code often involves replacing the faulty oxygen sensor, addressing any issues with the fuel system, and fixing any vacuum leaks or intake system problems.
7. Is it safe to reset the OBDII code P1168 on a 2004 Infiniti G35 without fixing the underlying issue?
Resetting the code without fixing the problem may temporarily turn off the check engine light, but the issue will likely reoccur and could lead to more significant problems.
8. How much does it cost to repair OBDII code P1168 on a 2004 Infiniti G35?
The cost of repairs can vary depending on the exact cause of the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.
9. Can a DIY enthusiast fix OBDII code P1168 on a 2004 Infiniti G35?
Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code themselves, especially if it involves simple fixes like replacing an oxygen sensor.
10. How often does OBDII code P1168 occur in 2004 Infiniti G35 vehicles?
While the frequency of this specific code may vary, it is not uncommon for Infiniti G35 models of that year to experience closed-loop control function issues on bank 2.
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