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2004 Kia Optima Question: What causes my car to lose power pushing the gas pedal?



dturbo120, Wilmington, DE, February 08, 2013, 18:01

My Car hesitates when I go over 30 and really stalls going up any hill. could that be the throttle body sensor?

3 Answers
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  • Answer #1

    February 08, 2013, 20:13

    i doubt it is the throttle body sensor

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  • Answer #2

    February 09, 2013, 03:54

    replace fuel filter and check fuel pressure to start with

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  • Answer #3

    July 24, 2013, 15:11

    Check the massive air inject module. My vehicle hesitated going over 30 and really struggled going up any steep hill and found out at the KIA dealership my air mass injector needed replacing. I have owned this car since purchasing it new and it only had about 1600 miles, gave it 2 issues...engine and transmission. But my vehicle has never given me any issue at all. I love my vehicle.

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