[503sp01]

I have a 05 sorento it seems to have a rough idle no check engine light and when you mas the throttle it will take off then fall on its face and after a few seconds it will pick back up did plugs in it about 3k ago thought that would help but it didn't has anyone else had this problem any help would be wonderful

 

[PNW-Kia]

I have an '03 with a little over 100K miles. Mine has a slight arrhythmia at idle. It's not bad. I was listening to a radio car show and they said such a thing could be injectors and suggested adding some Techron® concentrate. Did some research and found out most leading car manufactures recommend the stuff. I went to the auto parts store and got a bottle and put it in when It was on empty. Filled up the tank with Chevron gas which also has Techron in it. Been driving it a few days now and I don't seem to notice it. Will try another bottle again at fill up.