I was driving down road and blazer shut off,will not run.Something is telling the injectors not to work.Changed fuel pump, filter , reg, got 62 psi. Fuel pump relay good. If I down gas down intake it will run.Changed PCM,ICM, Crank senor,coil,MAP senor.Help what is left.

 

You have verified that it is a fuel supply problem by determining that it will run by pouring fuel down the throttle body.

Any codes? Why did you replace all of those components?

 

poured fuel down the throttle body,runs until gas gone then dies. throwing code P1351.replaced all those parts trying to get it to run.

 

P1351 - Ignition Control [IC] Circuit High Voltage