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.
Resources for the Repair and Maintenance of your 2003 Kia Optima
2003 Kia Optima
2003 Kia Optima Problems
Reprogramming the transmission control module with the latest Kia transmission software may fix abnormalities in the automatic transmission and erroneous transmission-related Check Engine Light illumination. Software updates are commonly most effective on newer vehicles. Higher mileage vehicles may exhibit a similar symptom caused by a component failure. However, whenever major transmission repairs are performed the transmission software shoul...
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.
Timing belts can break prematurely and cause serious engine damage. When replacing a broken timing belt, the crankshaft position sensor should also be replaced as it most likely has suffered damage as well.
2003 Kia Optima Recalls (Recent)
Summary: KIA MOTORS CORPORATION (KMC) IS RECALLING 36,538 MODEL YEAR 2001-2004 OPTIMA VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA. ROAD SALT APPLIED IN THESE STATES DURING THE WINTER MONTHS MAY RESULT IN PROGRESSIVE, INTERNAL CORROSION OF THE FRONT SUBFRAME. OVER TIME, SUCH SUBFRAME CORROSION NEAR THE CONNECTION TO THE LOWER CONTROL ARM CAN LEAD TO WHEEL MISALIGNMENT AND/OR OTHER NOTICEABLE STRESS IN STEERING, OR ACCELERATED ABNORMAL TIRE WEAR.Learn more »
2003 Kia Optima Questions and Answers
at what mileage should timing belt be replaced and what should be approximate cost (Kansas City area)?
Steering wheel vibrates when car is moving. Car does not pull to either side. Mechanic claims tires balanced, aligned and tires ok?????
the driver's side door will not open, it is locked even though it shows unlocked. the latch assembly is broke inside but i cannot figure out how to get to it, any suggestions
Car starts then turns off after a few seconds
2003 Kia Optima Reviews
I HAVE OWNED TIS CAR FOR TWO YEARS IT HAD 13,000 ON IT WHEN WE GOT IT WERE AT 80,000 NOW AND THE ONLY THING I HAVE REPLACED IS THE FACTORY BATTERY AWESOME CAR I HAVE BEEN A ASE MASTERTECH FOR YEARS AND EVEN THO IM A DIEHARD BOWTIE FAN THIS CAR IS AWESOME THE PADDLE SHIFT IS AWESOME FOR DAILY TRAFFIC