Take the glow plug out and check it is good by putting the ignitor on it.If the coils get red hot then it's good.Now pick up the truck hold it so your manifold is facing down and turn the truck like you are draing the fuel from the engine into the pipe and dump what ever comes out through the stinger.Now connect you easy start with the plug out and hit it and see if fuel come out through the plug hole.If it does stop,put the plug back in and try and start it.