92 what, 8v or 16v , 2 very different EFI systems.?
classic transitional failure, lean ( assuming rotor is new in dizzy,)
it looks to me like a bad TPS.
that is my guess.
the tps detects a fast foot and applies enrichment, lack of that , it goes lean.
or
car is running lean all the time and enrich mode , is not enough to make good.
EGR weak or sticking intermittently during cruise.
bad PVC (stuck closed or open)
but first tell use what engine you really have.?
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