1992 454 TBI bogging out/dying and oil pressure gauge reading low and loss of power

Asked by Apr 16, 2018 at 11:14 AM about the 1992 Chevrolet C/K 2500

Question type: Maintenance & Repair

so I have a 1992 Chevy suburban k2500 454 tbi
4x4, I'm actually taking to another shop today
because I'm dead stumped on this.
So far we replaced the entire braking system
(brakes, disk and drums, lines, booster and master
cylinder.) Coolant temp+wiring, fan switch
sensor+wiring and knock sensor+wiring, fuel filter,
valve cover gaskets, all the vacuum hoses, had the
truck retimed and the serpintine belt.
My dying problem went away, but still shows it
wants to die every once in awhile taking off from
lights, my power loss seems to have gone away
very slightly, but it's definitely still there and the
only way I keep it from dying is letting my foot off
the gas for a hot second, then laying back into it, I
feel like I'm driving a suburban with only 6
cylinders. Which I hope it isn't, because the engine
and transmission only have 90k on the rebuild.
Any information would definitely help!!

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