P1168 2008 Nissan Maxima 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 Maxima 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.
Code P1168 2008 Nissan Maxima Description
What are the Possible Causes of the DTC P1168 2008 Nissan Maxima?
- 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 Maxima?
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 Maxima 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 Maxima code?
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Frequently Asked Questions about P1168 2008 Nissan Maxima Code
1. What does OBDII code P1168 for a 2008 Nissan Maxima indicate?
This code, titled "Closed Loop Control Function Bank 2," indicates a problem with the closed loop control function on bank 2 of the engine.
2. What are some common symptoms of OBDII code P1168 on a 2008 Nissan Maxima?
Common symptoms include reduced fuel efficiency, rough idling, engine stalling, and the illumination of the Check Engine Light.
3. What are possible causes of OBDII code P1168 on a 2008 Nissan Maxima?
Possible causes include a faulty oxygen sensor, issues with the fuel system, a vacuum leak, or problems with the engine's computer system.
4. How can I diagnose the cause of OBDII code P1168 on my 2008 Nissan Maxima?
Diagnosis typically involves using an OBDII scanner to retrieve the specific code, then performing a visual inspection of the oxygen sensor, fuel system components, and vacuum hoses.
5. Can I still drive my 2008 Nissan Maxima with OBDII code P1168 present?
While the vehicle may still be operable with this code, it is recommended to address the issue promptly to prevent potential damage to the engine and ensure optimal performance.
6. How can I repair OBDII code P1168 on my 2008 Nissan Maxima?
Repairing this code may involve replacing a faulty oxygen sensor, addressing fuel system issues, fixing vacuum leaks, or reprogramming the engine control module.
7. Is it possible to reset OBDII code P1168 on a 2008 Nissan Maxima without making repairs?
While clearing the code with an OBDII scanner may temporarily turn off the Check Engine Light, the underlying issue causing the code will persist until properly addressed.
8. Will OBDII code P1168 on a 2008 Nissan Maxima cause emissions test failure?
Yes, this code may cause your vehicle to fail emissions testing, as it indicates a problem with the closed loop control function, which can impact the vehicle's emissions.
9. Are there any maintenance tips to prevent OBDII code P1168 on a 2008 Nissan Maxima?
Regularly scheduled maintenance, such as replacing oxygen sensors at recommended intervals and keeping the fuel system clean, can help prevent issues that may trigger this code.
10. How long does it typically take to repair OBDII code P1168 on a 2008 Nissan Maxima?
The repair time can vary depending on the specific cause of the code and the extent of the necessary repairs. It is advisable to consult a professional mechanic for an accurate estimate.
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