Gas leak into engine,caused damage to ecu.changed ecu and value, problem persist on 2000 Nissan Quest

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
problem started like a month ago. had to toll the vehicle on both occasions
(1) Answer
Only thing i can figure is the fuel pressure regulator is defective if gas is getting into the crankcase.