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Emission control system malfunction

(2004 Kia Sorento)
in Downingtown, PA on March 04, 2009
the emission control system of our car is malfunctioning. the light indicator is on.
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Popular Answer
on August 10, 2009
Our check engine light went on in our 2004 Kia Sorento. Turned out to be a misfire of the 4th cylinder. Mechanic reset the light, hasn't come on since. I believe you can go to Advanced Auto and they have a code reader there. Try to find an honest mechanic. Best of luck!
on March 04, 2009
This could be for a variety of reasons, as the emission control system is very complex. Take a look at RepairPal's article on the Check Engine Light and emissions control: http://repairpal.com/check-engine-light

You will most likely need a professional diagnosis.
on September 01, 2010
emission control system light indicator is on.
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