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2004 Kia Optima Repair Histories

31 TrueDelta members own (or used to own) a 2004 Kia Optima. 14 of these members (45.2%) have reported repairs for their car. A total of 37 repairs to 2004 Kia Optimas--an average of 1.2 per vehicle--have been reported.

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2004 Kia Optima problems occur, check out our car reliability stats.

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Percentage of 2004 Kia Optima repairs by problem area

Chart based on 37 repairs.

2004 Kia Optima repair cost distribution

Chart based on 13 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2004 Kia Optima repair histories. Log in or join us to see them all.

2004 Kia Optima

Engine not specified

Kia Optima in Florida, United States
Jul 2010 - Jun 2011
101000 mi US $276 the timing belt broke and had to be replaced. 

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2004 Kia Optima 4dr Sedan

170-horsepower 2.7L V6 4-speed shiftable automatic FWD

Kia Optima in Oklahoma, United States
Dec 2010 - Jan 2012
127000 mi   The airbag light kept coming on then off for several months. Now it is permanent. Am told that is expensive to repair and I am on limited income. Will have to wait a few months. 
127000   The timing belt shatter (just coming up time for another change) and ruined the engine. Repairs would have cost 4000.00. Just couldn't see spending that much for this old of a car. It is up for salvage sale.  Airbag light on when sold. 
Kia Optima in Georgia, United States
May 2009 - Aug 2012
151000 mi US $680 Brakes felt weaker and started screeching. New rotors and pads installed. Window regulator went out, the window would roll all the way down, but roll only halfway up. It was the driver's window regulator. 
175000   Air was not blowing cold since summer of 2011. Decided to get it fixed. Not sure if there is a slow leak or not. The service rep said that there was no noticeable leak, but they did put in some dye just in case. 
Kia Optima in Colorado, United States
Apr 2009 - Jul 2010
71000 mi US $270 Car started to idle rough at stop lights, then began to stall. Problem was Throttle Position Sensor which was replaced. 
82000   Went on road trip, after driving in 90+ degree weather and through mountains the car stalled out twice, each time on a different day. After letting it cool, the car started up and was fine. Possibly vapor lock. 

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2004 Kia Optima 4dr Sedan

138-horsepower 2.4L I4 5-speed manual FWD

Kia Optima in California, United States
Jun 2009 - Sep 2014
83000 mi US $800 Clutch pressure plate! I drive 95% freeway miles - hardly any shifting. 
106000   Leaking high pressure AC hose. Replaced hose, recharged system. 
128000   Crankshaft position sensor failed. Apparently a common occurance with this model. It's behind the timing belt cover which is behind the power steering/AC belt and alternator/water pump belt. Difficult repair, but I did it myself. 
166000   Leaking valve cover gasket. 
Kia Optima in Arizona, United States
Mar 2009 - Dec 2012
42000 mi US $72 Slightly squeaking belt. High pressure power steering hose had begun leaking at the joint between the hose and the crimp connector at the PS pump end. The drips were falling on the PS serpentine belt. Took hose to A/C shop and had the end replaced. 
65000   Finally after 6.5 years and 65,000 miles, the first non-maintenance repair -- a split CV joint boot. Shop spotted a small hole in the other and replaced it, too. Work done under warranty. 
74000   Check Engine light, intermittent tach. P0320 error. Traced to failing ignition sensor. Purchased sensor from dealer and replaced myself (2 bolts and a plug). [3rd repair, 2nd not covered by mfg warr, since new. <$250 total. Not bad!] 

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2004 Kia Optima 4dr Sedan

138-horsepower 2.4L I4 4-speed shiftable automatic FWD

Kia Optima in Ohio, United States
Feb 2013 - Mar 2013
113000 mi   the brake system keeps locking up 
Kia Optima in Virginia, United States
Mar 2011 - May 2014
195000 mi US $225 MIL, Pre-Converter Temp Low. Replaced pre-converter. 
224000   A/C Compressor failed. Evac system, replace compressor, drier, and expansion valve, recharge system. 
238000   Horrible engine vibration. Dealer diagnosed bad ignition coil...quoted $550 to repair. Purchased 2 new coils and new plugs for $170 and self performed repairs. 
263000   Replaced Front Struts Replace Driveshafts 
268000   Drivers door latch failed closed. Safety issue as the driver's door would not open from the inside or out. Ordered replacement latch (dealer only part) and fixed. Took about 3 days for the part to arrive. 
284000   Catastrophic timing belt failure. Engine destroyed. Not worth repairing the car. 
Kia Optima in Texas, United States
Jun 2010 - Dec 2011
104000 mi US $700 timing sensor replace 
113000   broken power steering hose 
Kia Optima in New York, United States
Jul 2011 - Jun 2012
106000 mi US $150 Replaced faulty pulley and replaced belt 

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