Lexus IS350 persistent problems leading to dissatisfaction on Lexus IS350

Some Lexus IS350 owners report experiencing engine and transmission issues that have raised concerns about vehicle performance. Additionally, blown head gaskets have been commonly reported, leading to further dissatisfaction. Fuel smell and related fuel system problems have also been noted, contributing to owners' frustrations. Moreover, failed diaphragms in the pulsation fuel dampers, which can deteriorate over time and potentially cause fuel leaks, have emerged as a significant issue. These persistent problems underscore the importance of considering potential risks before purchasing or owning a Lexus IS350.