2003 Ford F-250 Super Duty 7.3

2003 Ford F250
177k
7.3 Powerstroke
2WD
Automatic
Please Read, Truck needs work
I am tired of working on this truck, if interested bring trailer and cash and its yours.
Idles but when you push on gas it has low power and puffs white smoke, this just started 8-12-16 after replacing # 8 Injector.
I do not know what the problem is
New Parts within the last year;
#8 Injector and new exterior o rings
PCM from GB Remanufacturing 120V
Injector Pressure Regulator From Ford
Oil Pressure Sending Unit from Ford
Oil temp sensor in hpop from Ford
UVHC on driver side from NAPA
CPS from Ford
Speakers
Unity Spot Light
Muffler Delete with 5" Straight Pipe
Rear Shocks
New Parts Included But Not Installed;
Moog ball joints upper and lower
Moog Tie Rods X3
Moog Drag Link
1.5" Leveling Spacers with stud extensions
Daystar Scorpion Front Shocks Extended Length