We've been at this for so long, forgive me if i forget something we
did.

I got thie bronco2 85, 2.8, feedback carb, and it idles good.  you hit
the throttle, the engine makes this outboard motor sound, gas sprays up
somewhat up out of the carburetor.

We're now looking at the engine itself malfunctioning.  What should we
look for?

We get myriad different codes running and not, we've played with egr,
carb settings, the computer, the timing, distributor and rotor, all
different sensors, map, eps, tps, ...

No matter what, it always does the same thing.  That sound causes the
motor to kind of die out, instant smoke, sputter, then if released, it
idles again okay most times, sometimes dies out.

The carb is clean.  One thing i can't understand is the float
measurement.  I don't understand what the book says about the .810
measurement in the float.  i don't know how to measure that, from where
to where.  Other than that its looking the the engine itself, but i
don't understand what.

The people we got the truck from aren't good at telling us what
happened to cause this change.  I'm only fixing this car because my
taurus crapped out and they don't even make parts for it anymore
aparently.