I have a 1991 c 1500 4.3. I was driving it and it just stopped got it restarted once and that was it. So far i have check my 20 amp fuel pu mp fuse under the hood. I poured gas down the throttle body it runs. Its just my injectors are not spraying fuel. I ll check to see if i have piwer at the fuel pump tommarow . Its never been to easy to hear. Any thoughts. Thanks