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Kia Rio engine hesitation/stutter
I have seen, on the internet, several owners of this car that have the same problem, but have never seen any of them receive an answer. I have a 2002 Kia Rio which has a sporadic engine hesitation/stutter which hap[pens at various speeds and engine temperatures. I have replaced fuel and air filters, spark plugs and added fuel injector cleaner several times. What parts failure is causing this?