Kia Sportage rough idle and hard start issue resolved by engine replacement due to loss of compression in all cylinders on Kia Sportage

Some Kia Sportage owners report experiencing rough idle and hard start issues, which may be attributed to loss of compression in all cylinders. This significant problem can severely impact engine performance and necessitates drastic measures, such as engine replacement, to effectively address the underlying compression issues. By opting for an engine replacement, owners can restore the necessary compression for proper combustion, leading to smoother idling and more reliable starting. This solution is often considered after other troubleshooting methods have been exhausted and when the root cause is confirmed to be compression loss in all cylinders.