i have a 1984 pontiac fiero when its cold it works bomb but once its warmed up its not all that whats

[danny.mussio]

i have a 1984 pontiac fiero when its cold it works bomb but once its warmed up its not all that whats

wrong? once it warms up i give it gas and it shuts off then when i start it back up it just cranks and wont turn back on until it gets cold. i'm not sure what it is i replaced the map sensor today but that wasnt it cuz i got no changes. so if any1 could help me out that would be great its a 1984 pontiac fiero se 4 cylinder 2.5L thanx o i also have new wires new spark plugs and a new cap n rotar so........yeah get at me some1