i have a 94 bonneville se 3.8L my problem is when i turn the key over...the car won't run...or after a few tries...it will fire up but only for a sec or 2 then shut down...after a few more times of that it will work for about 5 min then shut down....fire back up for another 5 more min and so on and so on....i have replaced the battery, altenator, crankshaft sensor....it feels liek when it'* goin to die it'* not gettin enough gas....even thou i am driving it.....when it goes to die...i give it more gas...it putters and finally dies....ne thoughts of what'* goin on....ne idea'* would be great....thanks in advance

Wouldnt hurt to check the MAP sensor to see if your vac line is damaged. Sometimes that will make your car do the same thing.

I'm betting fuel.

How old is the fuel filter?