Kia Optima engine jarring issue after recent engine replacement due to recall on Kia Optima

Some Kia Optima owners report experiencing engine jarring issues even after recent engine replacements due to recalls. Despite Kia's efforts to address engine problems in 2017 and 2018, some owners have noted that these issues can persist, impacting vehicle reliability and posing safety hazards. Reports of loud knocking noises have surfaced, indicating severe engine problems across various Optima models. Additionally, the 2011-2014 Kia Optima models are particularly known for severe manufacturing defects that may lead to engine malfunction and failure. While some owners have successfully had their engines replaced under warranty, others continue to experience engine failures post-replacement. Furthermore, a lawsuit has been filed regarding alleged engine problems in several Kia models, including the Optima, highlighting a broader concern. Affected owners are urged to remain vigilant about these potential issues and seek appropriate solutions to ensure their vehicles' safety and reliability.