Problem Reports
Kia Optima
Report: Faulty Throttle Position Switch
Kia Optima Problem
Model Years Affected: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Exhaust & Emissions Affected: 2.7L V6
Average Mileage: 87,833 mi (30,000 mi - 183,000 mi)
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.
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Report #1Visitor, 2006 Kia Optima, 61,000 mi
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Report #2Visitor, 2005 Kia Optima, 70,849 mi
car does not down shift to second gear, i was told it was the output sensor. the price for this part is $110.00 can not afford it at this time.
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Report #3Visitor, 2003 Kia Optima
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Report #4FranFrank, 2004 Kia Optima, 62,000 mi
RookieMy car rumbles and when I first push on the gas it doesn't want to take off.It does better in the hot weather than it does in the cold.
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Report #5Visitor, 2006 Kia Optima, 94,000 mi
Faulty Throttle Position Switch Cost $750.00 to fix at KIA.
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Report #6Visitor, 2007 Kia Optima, 74,000 mi
does not accellorate at all until engine is restarted
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Report #7Visitor, 2005 Kia Optima, 45,522 mi
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Report #8jd61665, 2006 Kia Optima, 87,000 mi
RookieCar will not accelerate past 1900rpm. Goes about 20mph and 5 mph uphill. it does this intermittently. Not fixed yet
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Report #9Visitor, 2004 Kia Optima
car just stopes then gos sometimes it dies
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Report #10Visitor, 2006 Kia Optima, 75,000 mi
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Report #11Visitor, 2006 Kia Optima, 70,000 mi
The engine lost power and started crawling at barely 20mph, then died.
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Report #12Visitor, 2004 Kia Optima
engine had a hesitation when gas peddle was pushed acted like i had water in the gas, check enging lite came on had it checked /was throttle position switch put on new one now after about 20,000miles it is doing same thing ,had it checked and once again it is the throttle position switch.
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Report #13Visitor, 2009 Kia Optima, 30,000 mi
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Report #14Visitor, 2003 Kia Optima, 183,000 mi
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Report #15Visitor, 2006 Kia Optima, 175,000 mi
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Report #16Visitor, 2003 Kia Optima, 114,467 mi
lack of power when accelerating and a vibration when the car is trying to pick up speed and sometimes when reducing speed.
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