Nissan DTC P1168 – Closed Loop Control (Bank 2)
DTC P1168 meaning on Nissan
DTC P1168 on a Nissan 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.
Nissan DTC P1168 symptoms
Symptoms of DTC P1168 on a Nissan may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Engine running rough or misfiring
- Reduced engine performance
Nissan DTC P1168 causes
Common causes of DTC P1168 on a Nissan include:
- Faulty oxygen sensor
- Issues with the fuel system
- Vacuum leaks
- Exhaust system leaks
Nissan 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 the engine or emissions system.
How to diagnose DTC P1168 on Nissan
To diagnose DTC P1168 on a Nissan, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the trouble codes
- Inspect the oxygen sensor on bank 2
- Check for any vacuum or exhaust leaks
- Test the fuel system components
How to fix DTC P1168 on Nissan
To fix DTC P1168 on a Nissan, the following steps may be taken:
- Replace the faulty oxygen sensor
- Repair any vacuum or exhaust leaks
- Clean or replace fuel system components as needed
- Clear the trouble codes and reset the Check Engine Light
How to erase DTC P1168 on Nissan
To erase DTC P1168 on a Nissan, a mechanic can use a diagnostic scanner to clear the trouble codes stored in the vehicle’s computer. Once the codes are cleared, the Check Engine Light should turn off.