94 APV stalls won't start
94 Lumina APV 3.1 Stalls intermittently. Won't start for some time (5 min to 2 hours) then starts right up. Also, won't start if it's been sitting for a short while. Here's the thing - no spark AND no gas at that time. Short of swapping out ECMs and fuel pumps, any ideas would be appreciated!
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