Abs light on and brake light on, and doesn't accelerate like it should?

I have a 2000 dodge 2500 I have
three problems maybe, abs light and
brake light come on when I go over
bumps, and when I shut the truck off
and turn it on again they go away but
as soon as I hit a bump it comes
back on, also speedometer goes up
and down over bumps as we'll, Third
thing truck does not accelerate as it
should if I nail the throttle, but if I
shut the truck off after it's up to
temperature then turn it back on a
few seconds later and then mash it a
couple seconds after I put it in gear
she moves like she supposed too,
but then as soon as I hit 50 it goes
back to being sluggish even if I nail
the throttle again, and if I where to
power brake it when to see if she
would spin tires like she should with
the amount of torque there she
doesn't even get past 1500rpm and
won't break them loose, at all, when
it's sluggish it can't even climb a
curb, replaced turbo and exhaust to
update for one and two wastgate
was stuck open on the other turbo
because of being so unbelievably
rusted, I have no idea why she won't
build any boost like it should.