Dt*: 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.
2003 Kia Optima fuel system complaints
Page 2 of 2: complaints 11 to 12 of 12, newest first, as owners wrote them.
The engine and air bag light would come on and off. The engine oxygen sensors were replaced. The air bag assembly needed to be replaced. There were several other problems. *bf the consumer was informed that he gas cap was the problem. Reference to recall#04v180000. The door on the driver side continued to lock without pressing.
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