need help bad,just got a 92 300zx non-turbo automatic.loading up so bad that it won't start.i actually have to pinch the fuel lineand stave it of fuel and ease off the fuel line as some one cranks it over to get it started.once started i have to keep it at about 2000 rpm to keep it started or it will cut off and i have to do the same process again.so man some one help me please.I now you have the answer you guys haven't failed me yet.thanks

 

sounds like a mas sensor i know with the cars i deal with when the mas goes bad it does that or sumtimes its the tps.