Should a kia 2007 optima have fuel system flush?
According to the 2007 Kia Optima owner's manual, a fuel system flush is not listed as a recommended maintenance item. However, some mechanics may recommend a fuel system flush if you are experiencing problems with your vehicle's performance, such as poor fuel economy or engine hesitation. If you are considering having a fuel system flush performed, it is always a good idea to consult with a qualified mechanic first.