One problem related to fuel injection has been reported for the 2003 Kia Motor Optima. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Kia Motor Optima based on all problems reported for the 2003 Optima.
: the contact stated that while driving at 45 mph, the vehicle accelerated without warning. The vehicle was taken to a service dealer, where the dealer theorized that the cause of the problem was a faulty fuel injection system. There have been no repairs made.
| Gasoline Fuel System problems | |
| Tank Assembly problems | |
| Tank Filler Pipe And Cap problems | |
| Fuel Injection problems |