RB25DET wont start after warm up

[S13RB25DETDRIFTER]

when the engine is cold it starts nice and perfect but after it warms up if i turn off the engine after its warm the engine wont start back again i can smell the fuel sometimes theres not leaks change the Coolant Temp Sensor and the Temperature Switch and nothing happen is still the same..... does anyone know what this can be ????

[rsibley22]

i was having the same problem with my sr, i was getting around by bumpstarting my car which was very embarrassing haha but my problem was fixed when i had to take off the intake manifold to fix a coolant leak and when i put it back on with new gaskets and fixed a leak on the iacv (not sure whether it started leaking before or after i took off the manifold) it starts every time now. still don't know was causing the problem cuz i pressure tested the whole system before. hope this helps