Lexus NX200t engine failure requiring replacement after dealer diagnosis on Lexus NX200t

Some Lexus NX200t owners report experiencing engine failure that requires replacement after dealer diagnosis, with diagnostic trouble codes such as P11EE00, P030027, and P030300 indicating specific issues. The need to replace the cylinder head has been diagnosed, which can incur a significant cost of around $9,400. Additionally, some owners have noted a warning message about AWD system malfunction and the Check Engine light being illuminated, although the vehicle remained drivable for a time. It is critical for owners to address these warning signs promptly to avoid further engine damage. Other reported issues include reduced engine power due to dirty fuel or a stuck fuel flow control valve, as well as symptoms like gradual acceleration or engine stumbling at certain speeds, which may indicate serious underlying problems. To mitigate these risks, it is recommended that owners follow dealer repair recommendations, maintain regular oil changes, and seek professional diagnostics at the dealership for complex engine issues.