I have a 94 s10 blazer 4x4 that has the 4.3 spider injection and its not get any fuel ! I had this problem a couple months ago and I replaced the fuel pump,regulator,pulgs and wires ,spider injection,all new sencors and it fixed it .Now it has the same problem again .It has plenty of fire at the plugs, as long as you spray gas into the intake it will run.I have a little over the riqired amount of fuel pressure at the check point imreally lost any one got any ideas? Could it be the computer?

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Those are notorious for failure especially if you did not get OEM. One of the things to check is the ECM GROUND. That year has issues with the ground connection bus and it comes loose.
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