2004 Aveo fuel injectors won't fire

My 2004 Aveo timing idler pulley broke and messed up the head. I put on a new cylinder head, timing belt, idler, tensioner, water pump. Car was running fine prior to this mishap. My new timing is correct. When I go to crank the car, it won't fire. I disconnected the fuel line and it pumps fuel when the key is turned on. Injector wires are getting juice. When I pull the spark plugs and pour in a little fuel, the car starts and runs good for about 3 seconds. It must be starving for fuel. What is my injector issue here ?

When you disconnected the fuel line, was it at the fuel rail or further back toward the tank?

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Originally Posted by thankful_ragamuffin

When you disconnected the fuel line, was it at the fuel rail or further back toward the tank?

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At the fuel rail.

Have you checked the pressure to see if it is sufficient to operate the injectors?

Have you done a compression or leak down test?

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Originally Posted by thankful_ragamuffin

Have you checked the pressure to see if it is sufficient to operate the injectors?

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Not yet. I will have to do it. It was fine beforehand though.

If the pressure is in spec, it eliminates any possibility that a fuel line got partially pinched or is sucking air. From there, you'll need help from the computer and sensor experts on the forum.