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  1. AD (2017-2020) Elantra
    According to Hyundai Technical Service Bulletin 20-FL-001H, there is a new coil design that’s supposed to address the common misfiring issue in some 2017 2.0L Elantras. I haven’t been able to find anything on the internet (other than the TSB) about the new design, but apparently the shaft is...
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