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Kia Rio engine hesitation/stutter

shadetree32shadetree32 Posts: 1
edited January 2014 in Kia

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?


  • Our 5 speed 2003 Rio's engine light kept coming on so we got it checked and they could find nothing, then the car starting "hesitating", it was foot to the floor and not going anywhere! Took it in to Canadian Tire and they turned the light off and checked the air intake and couldn't find anything, drove off the lot and the light came back on but the car was better, then it started burning gas like crazy, took it into another place and the guy found a red rag stuffed in the air intake! Ah ha! so they took it out and found a small hole in the inake tube and they fixed it. 4 days later the engine light came back on and the car stalled going up the hill we live on, foot to the metal but not going anywhere! had to drive slowly around the back way. Took it to the car place and they can't do anything till Monday, but have to drive it for work tonight, any idea's ??
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 58,456
    yeah, you need to go someplace that knows what they are doing. A scan tool should be in place while the car is acting up, and then the data "frozen" so that a real technician can analyze the values coming from various modules and sensors. The red rag theory sounds really far fetched to me. I doubt a car could even run like that--and even if it could, surely its removal would have a miraculous effect---but it didn't, so I'm skeptical of that story.

    Sounds like some issue with fuel delivery or sensors regulating fuel delivery.

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