Question about 2003 Kia Sorento

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My car's motor seems like it is surging. I especially notice it when going between 35-50 miles an hour. Was low on fuel before snow, filled up on Monday, car ran fine until Wednesday. It has been extremely cold here. Could it be water in the gas tank or maybe the EGR Valve. No check engine lights nor any other warning lights have come on. Any idea of what is going on. Car really running bad now after trying to go blow it out.

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It could be many things, even if the check engine light is not on, the computer should be scanned to check operating systems to pin point the problem, it could be as simple as a coil. or a weak fuel pump. have it scaned, auto zone scans for free. hope this helps.

Posted on Feb 04, 2010

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