Infiniti DTC P1168 – Closed Loop Control (Bank 2)
DTC P1168 meaning on Infiniti
DTC P1168 on an Infiniti refers to “Closed Loop Control (Bank 2).” This diagnostic trouble code indicates an issue with the closed-loop control system on bank 2 of the engine.
Infiniti DTC P1168 symptoms
Symptoms of DTC P1168 on an Infiniti may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Engine running rough or misfiring
- Reduced engine performance
Infiniti DTC P1168 causes
Common causes of DTC P1168 on an Infiniti include:
- Faulty oxygen sensor
- Vacuum leaks
- Issues with the fuel system
- Exhaust system leaks
Infiniti DTC P1168 seriousness
DTC P1168 should be addressed promptly as it can lead to decreased engine performance and fuel efficiency. Ignoring this code may result in further damage to engine components.
How to diagnose DTC P1168 on Infiniti
To diagnose DTC P1168 on an Infiniti, a mechanic may perform the following steps:
- Use a scan tool to retrieve the DTC and freeze frame data
- Inspect the oxygen sensor on bank 2
- Check for vacuum leaks
- Inspect the fuel system for issues
- Examine the exhaust system for leaks
How to fix DTC P1168 on Infiniti
To fix DTC P1168 on an Infiniti, the following steps may be taken:
- Replace the faulty oxygen sensor
- Repair any vacuum leaks
- Address issues with the fuel system
- Fix any exhaust system leaks
How to erase DTC P1168 on Infiniti
DTC P1168 can be erased from an Infiniti’s system using a scan tool that has the capability to clear diagnostic trouble codes. Once the underlying issue has been addressed and fixed, the code can be cleared to reset the Check Engine Light.
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