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jerking

  1. Why does my car jerks a little forward when I slow down/brake?

    LF (2015+) Sonata/i45
    It doesn't happen all the time, maybe once or twice a week, on a per drive basis. I live in California so it isn't that cold to begun with but I did notice the jerking happens when it is cooler, at night or early morning. The jerk isn't super hard and there is like a "thud" sound, I assume it...
  2. 2013 Santa Fe Sport has pronounced engine braking below 35mph

    DM (2013-2019) Santa Fe
    I have a 2013 Santa Fe Sport 2.0t AWD with 186k miles (mostly highway). Last year I started having issues with acceleration and jerking and ended up stalled. The sputtering and acceleration symptoms pointed to a bad fuel pump and the engine code pointed to a misfire in the first cylinder. When...
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