Car feels like it’s gonna cut off when stopped at a red light

Asked by Concerned1 Jan 21, 2019 at 10:20 AM about the 2011 Hyundai Sonata GLS FWD

Question type: Maintenance & Repair

I just had the starter repaired and now when
it’s in drive but idiling at a red light it jumps
like it’s going to cut off.

2 Answers
43,910

Hornet_2497 answered 5 years ago

When working on the starter, most mechanics will disconnect the battery to avoid accidental shorts and start ups. This disconnect will erase the engine computer's memory and it will take time for it to "relearn" idle speed, shift points and stuff like that. If in a few drive cycles it still acts up, call the mechanic and ask for help. Maybe have him scan codes for free to see if something got bumped loose or left disconnected during repair. I really think it will fix itself.

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