When the P1130 code is triggered, it means that the ECU has detected a problem with the oxygen sensor. This could be due to a number of factors, including:
* A faulty oxygen sensor
* A damaged oxygen sensor wire
* An exhaust leak
* A problem with the ECU
If you are experiencing the P1130 code, it is important to have your vehicle diagnosed by a qualified mechanic. They will be able to determine the cause of the code and recommend the appropriate repairs.