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Make it three. Happens around 40-45; feels almost like the engine cuts out for a split second. Doesn't seem to be triggering any codes, and I can't reproduce it often enough to take it into the dealer.
Make it four. Happens when lightly accelerating around 45-50 regardless of profile and mode and Speedway or Costco gas. Have brought it to dealership and they said, without any research, that maybe Kia would put out a service bulletin at some point. I agree with another member who said it seems like a fuel pump issue.
 

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2022 Kia Carnival SX
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Based on what I'm seeing, it sounds like the transmission might be hunting for the right gear, almost like you're riding on the edge of a shift point.
 

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Based on what I'm seeing, it sounds like the transmission might be hunting for the right gear, almost like you're riding on the edge of a shift point.
This is what I'm starting to wonder too, especially with the reports that it seems to go away in different drive modes. I've also got a check engine light indicating some issue at an injector, but...I'm wondering if that's just unrelated.
 
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