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Check for spark to the plugs. If you don't have it, look at the crankshaft position sensor. If you do, then look at replacing the fuel filter. Clogged filters will give you pressure. But not volume. I would replace it anyway.
As you have probably figured out by now, you will have to treat it as a no start and troubleshoot it when it fails to start. Until you figure out if you are loosing spark or fuel to the injectors when the engine dies you have no direction to go in.
You need four things for an engine to run.
1. fuel
2. spark
3. compression
4. timing (spark at the right time.
By your post it seems you have fuel and spark and you probably have compression unless you blew a head gasket. That leaves the timing. Check the timing and/or the timing belt or chain whichever you have.
VSS or vehicle speed sensor aka cam sensor or crank position sensor. Test the battery and alternator. You should also check for blown fuses, bad wires and grounds on a car as old as yours. If you find it's getting spark and fuel after further testing, check the timing belt. It could have slipped or broke even if it was changed recently so either pull off the cover or at least do a compression test.
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