Kia Soul loss of engine power and erratic automatic transmission with slipping gears on Kia Soul

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Kia Soul owners report experiencing a loss of engine power, which may manifest as the vehicle not accelerating as expected, revving without an increase in speed, or exhibiting sluggish performance. Additionally, some owners report erratic behavior in the automatic transmission, characterized by slipping gears and delayed shifting, which can indicate serious transmission problems. Symptoms such as rough shifting, hesitation during gear changes, or the transmission unexpectedly slipping out of gear can significantly affect drivability. These issues can lead to a loss of power and acceleration, making it crucial for owners to regularly check transmission fluid levels and pay attention to dashboard warning lights, such as the "Check Engine" light. It is advisable for owners to consult their owner's manual and seek professional diagnosis and maintenance to address any underlying problems promptly.

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