Question about 2004 Kia Optima

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Kia Optima I just replaved my timing belt, oil pump belt, crank senser, map senser, R & R senser. The timing belt was not broke but did have a few missing teeth. It will start and run just fine on a cold motor. After the motor warms up it has a rough idle, low idle, and will eventually die without keeping the idle up with my foot on the gas pedal. It will surge on highway speeds, most climbing hills. It also has developed a vibration while accelerating. Jump before it shifts into a higher gear. This happens regardless of take off speed.

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  • tnmatt Jan 05, 2009

    The car is not flashing any codes. After hearing the power steering whine when I turned the wheel too far or the a/c belt whine when I use the defrost; i adjusted the belts. The car stays running but still has a low idle. The fuel filter just got replaced. The fuel injectors I haven't a clue on where to begin.

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Is the car flashing any codes. I would look for fuel issues possibly fuel filter, injectors etc. Because these items are easier to check. Otherwise it sounds as if the timing is off on the car. If the Hydraulic tensioner is not replaced this could cause the belt to jump teeth as well. PRETTY SURE YOUR TIMING IS STILL OFF

Posted on Jan 02, 2009

  • Rob Houg
    Rob Houg Jan 05, 2009

    Make sure you check the timing marks on the pulleys etc. to make sure they are lined up. If the car is 2.4 litre 4 cyl optima it will be DOHC (dual over head cams which means you will have 2 pullys on the top to allign as one on the bottom. There are marks or notches on all of them. Kia does make an alignment tool but if you have an extra set of hands you should be ok.




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Fuel filer on a 2004 kis optima 4cyl

Posted on Aug 20, 2011


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Posted on Jan 02, 2017

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