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acceleration

  1. 4G (2011+) Optima
    So this started about a week ago, when I accelerate I'm getting a lot of vibrations from the front end but only when I accelerate if I maintain a constant speed no matter how fast I'm going I get no vibrations and it idles just fine I don't know what it is and I asked a few other people and they...
  2. Kia Forte/Cerato (TD) and Koup Discussion Forum
    My 2011 Kia Forte has been have some rough acceleration. Kind of a rattling noise. I was hearing a gurgling noise And a small acceleration noise so I drained radiator and changed the thermostat also cleaned the throttle body the gurgling seems to have gotten better but the rattling is only...
  3. Kia Cee'd Forum
    Hello everyone, I am an owner of Ceed Sportswagon 1.6 CRDI (128bhp) from 2014, with manual trans., at 120.000 km (75.000 miles) and I have quite a strange problem: There is a deep vibration/sound, which latter mysteriously disappears, coming out from the left-front (or just front, can't really...
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