7.3 motor swap need help
 

P1280 ICP Circuit Out of Range Low
P0470 Exhaust Back Pressure Sensor Circuit Malfunction
P0478 Exhaust Pressure Control Valve High Input
P0340 CMP Sensor Circuit Malfunction
P1210 Injection Control Pressure Above Expected Level
truck starts funny like it was the cam/crank sensor going out but that is not it. if u start it it wil go from 500 rpms to 1000rpms until u rev it up please help . thanks