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jerking

  1. MD (2011-2016) Elantra sedan/coupe
    First post and I thank you for any info with my issue! I need to feel somewhat knowledgeable when I go to the trans shop. Car Info: 2011 Hyundai Touring 77K miles (Car has been babied through those miles) Base Package I received the car as a gift from my mom @ 55k miles. The problem was seen...
  2. LF (2015-2019) 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...
  3. 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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