We don't have a lot of Lexus LS 400 engine problems on file — feel free to add yours here. The most common LS 400 engine problems occur at 128,000 miles. Click on a year below.

Worst Engine Problems
car stalls 1996 Lexus LS 400
car is unkillable 1997 Lexus LS 400
engine runs rough 1993 Lexus LS 400