I have the exact same issue and after replacing fuel pump. Then calling locksmith to change the transponder which didnt work i had a diagnostic done on my car and it showed the G EM module as the problem.now im having trouble finding the location of that thing. But anyways that might be your issue the GEM or generic electronic module.
Use a scan tool to reset the ECM to get the immobilizer to work
SOURCE: 87 ford f-150 4.9 L. v6 fuel system
If you hear the relay click, but no pressure at all then it would be the fuel pump needing replacement
SOURCE: fuel pump location and replacement
You are looking for the constant control relay module- ( CCRM ) see below. The pump will be located inside the fuel tank.Most of the time , its the pump and not the relay but, it wouldn't hurt to check the relay out. Teh relay is housed in the CCRM. Its located behind the engine coolant reservoir. 
SOURCE: 2000 ford windstar won't crank over,but pats keys good, and batt.
First thing I would check is to see if you have power at the trigger wire of the starter motor while someone is trying to start the vehicle for you. It will be a Yellow with a light blue trace. If you do then I would check to see if the main battery cable has power to it all the time when someone is trying to crank it. If it does then I would hold a test light on the case of the starter motor and have someone try to crank it. Make sure that the ground you use for this test is on the negative battery terminal not just anywhere on the car. If the test light lights while you are cranking it then you have a bad ground. Hook up a set of jumper cables from the battery negative terminal and clamp it directly on to your starter motor and see if it starts. If you check it and the test light doesn't light up and all the other checks are good then your starter motor has failed. If one of the other tests has failed then you have a starter relay problem or something else. let me know what you find out.
SOURCE: Intermittent fuel pump engagement when turning key - 2001 Taurus
try cleaning the connector that goes to the fuel pump, sometimes they corrode on inside. If that does not fix, test the wires feeding fuel pump with a multi meter until the condition shows itself again, if voltage drops to zero or very low then wiring problem, if voltage is unchanged with problem and fuel pump is not working and connectors are all clean, try replacement of fuel pump.
SOURCE: i just put an instrument cluster from a 2000
The instrument cluster has to be programed to your keys. You will need two keys and someone to program them to the cluster.
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