Kia Issues New Alternator to Replace Weak One on Kia Optima

Submitted by Vehicle Owner · Jan 19, 2026
Published by RepairPal

Problem overview

After the vehicle has been operated with electrical loads (lights, air conditioning), a weak alternator can cause starting difficulties. In some cases, the original alternator could not sufficiently charge the battery; Kia released a new alternator which can correct this concern.

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