NEED HELP

[TurboMax1996]

Hey all i just got back to my sisters in ga from the nopi meet and on the way home i was having some problems with my boosted maxima.. it was white i was up by the tent in the front.. well i need help so i can get home on tuesday.. here is my problem... any info would be goodwhen driving on the expressway and crusing speeds even with the cruse set when you go down a hill and the cruse lets off or you let off the gas sometimes the car will cut out.. it is like it isnt getting any fuel.. by about the time the car stops it will come back alive.. i have done the following.. disconected the bov, no change, disconnected egr no change, decreased fuel pressure slightly and disconnected the fuel presssure reg vacume line no change, disconnected my dli hks no change, one time driving up here it was acting up and it finally would not start up i poped the hood and disconnected my z32 maf and my did it restarted.. went to a gas station and reconnected my maf and it seamed ok.. until on the way home from nopi today i have heard that if the maf is dirty it will cause a problem or if it is not positioned right it could also cause a problem if it is not up and down, i have my air pick up over the trans so it is sucking in hot air if that helps.. one time when it messed up i could tell that the fuel pump did not stop running but weather there was fuel press or not it is unknown.. also i have a jim wolf ecu and 370cc injectors.. and 255 fuel pump well any help would be good asap you can repost here or im me on aim at turbobird1989 well thanks for the help guys i really need it... thanks again..