2004 Kia Optima Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Kia Optima
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2004 Kia Optima ProblemsDoor Locks Malfunction Not Allowing Driver or Passanger to Open Their Doors
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.
After the vehicle has been operated with electrical loads (lights, air conditioning), a weak alternator can cause starting difficulties. In some cases, the original alternator could not sufficiently charge the battery; Kia released a new alternator which can correct this concern.
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.
2004 Kia Optima QuestionsHi, I just got a 2004 Kia Optima about a month ago and I have noticed recently that when I'm stopped at a light or stop sign once I accelerate I hear a "clunk". (2 answers)
I believe it's coming from the driver side front under the car. It only does it once and I can feel it in the floorboard. It will be louder if I'm on an uphill stopped and then accelerate. I had to get the control arm in the front replaced and I put 4 new tires on it about 2 weeks ago. Pl...