We replaced a head gasket and everything is hooked up right
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First of all, I disagree with the title of your post.
Is the fuel pump running while you crank the engine? It will run for a few seconds when you first turn the key on, but will shut off if the PCM doesn't detect the engine spinning.
Like others said, verify you are not getting fuel pressure as opposed to not getting spark. It would also help to know the year and engine of your truck.
Is the fuel pump running while you crank the engine? It will run for a few seconds when you first turn the key on, but will shut off if the PCM doesn't detect the engine spinning.
Like others said, verify you are not getting fuel pressure as opposed to not getting spark. It would also help to know the year and engine of your truck.