ok well let me start with saying im sorry if this has been discussed elsewhere and answered i could not find it but my 1990 4.3l F.I. blazer is not getting fuel i have replaced the pump about a year ago and its not running as of a week ago. i have pulled the fuel rail off at the back of the filter and i get not even a drop of gas from the line there is fuel in the tank and the pump is not priming the engine at all if anyone has any ideas that could help my problem i would greatly appreciate any help i can get thanks guys oh yea and if you try to start it it will just try and turn over for days

 

Is the pump running? If it is, then there likely is a problem with the pump. If not, then you should check to make sure that power and ground are proper at the pump. Even a pinched off line would flow some fuel.