2003 Kia Optima Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Kia Optima
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2003 Kia Optima ProblemsFaulty Throttle Position Switch
Check Engine Light illumination—combined with a lack of power or a stumble on acceleration—may be caused by the throttle position switch (TPS). Kia released an improved part which should correct this concern.
A defective AC compressor clutch assembly can cause excessive noise or vibration when the air conditioning is on. Improved parts are available. Replacing the faulty clutch assembly does not necessitate replacement of the complete AC compressor or evacuation and recharging of the air conditioning system.
A faulty door latch assembly may cause one or both front doors to be difficult to open. Replacing the worn latch will commonly correct this problem.
2003 Kia Optima QuestionsWhat is wrong with my gas tank? (1 answer)
When fueling at gas station the pump will stop and I can hear the gas gurgling down than I can pump some more gas and same thing happens. It takes 10 minutes to fuel 5 dollars. When I start my car it will turn on than shut off. I need advise.
the starter and battery are good, but it just will not turn over, I use to knock on the starter, but it is still goo, but now itjust clicks when I tried to start it
Sometimes the brake pedal seems like it isn't really working and the car doesn't want to stop. If you press too hard, one of the the wheels locks up. And sometimes when you step on the brake, the car pulls to the left.