have a 2002 Astro 4.3v6,rebuilt 2 yrs ago, new dist, spyder, plugs, wire, fuel filet, fuel pump, cam shaft sensor, crank sensor, oxygen sensors, has rough idle on aceleration has a shaky spot runs check engine lite on sometimes abs brake lite comes on yesterday driving down freeway it bogged down would not go over 60 mph got off frwy made it home but on taking off very slow to accel had to build up to speed if pushed pedal hard it would like seem it would die sometime it would seem like it was not getting enough gas, last night and this am start up run ok even warm still has noticeable miss ? please help

 

Any codes? It does sound like the egr is stuck open.