The fuel system and the ignition system are completely separate systems, with the exception of the ECM, which essentially controls both. If it was just a fuel pressure issue I would say bypass the fuel pump relay to see if the system pressurizes, and check the inertia switch. If it was just a sudden lack of spark I would first check the ignition module, then the coil, then lastly the pickup coil inside the distributer. But if both systems were affected at once, I would have to suspect the ECM.
Try bypassing the fuel pump relay to see if you get fuel pressure. The pump should run constantly with it bypassed. If you still have no pressure, check the inertia switch behind the glove compartment at the fire wall just behind the carpet. There's a button on top to reset it, but it would be best to check for voltage on both wires when the relay is bypassed, or unplug the switch and you should have continuity between both terminals. If all this checks out, and you don't hear the fuel pump engage for a couple seconds when the ignition is turned on, I would again suspect the ECU. Having fuel pressure with the bypass would indicate that the relay is good, the fuel system is good, but the ECM is at fault. Let us know how the bypass goes.
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