B1391 Audi Fault Code
If you want to know how to repair B1391 OBD 2 code, it is necessary to find out what type of fault it is. The reason for this is that each type of fault needs different repair steps.
Meaning of Audi B1391 OBD/2 ErrorB1391 Code Check :
B1391 OBD 2 code troubleshooting is a process of resolving the problem with the car engine by inspecting the error codes and checking for any specific issues.
| B | Body (B) Code |
| 1 | Fuel Rail/System Pressure - Too High |
| 3 | Air Conditioning (A/C) Clutch Feedback Circuit High Voltage |
| 9 | A/C System High Pressure High Temperature |
| 1 | Water Pump Mechanical Defect Detected |
Common B1391 Error :
Because many things can trigger the error, finding the root cause can be tricky. This often makes repairing code B1391 a long and arduous task. Other times, more than one problem can trigger this code.
It's advisable to leave this one to the professionals. In most cases, fixing code B1391 does not cost a lot to repair. Once the code B1391 is repaired, your car will run better, have more power, and get better fuel mileage.