rapid pulse width change????? anybody help me out

[jmar]

at 25% throttle and over 1900 rpms the data log shows this, but when i go to full throttle it goes away
i have 60 over injectors and when i turn number 5 injector off with efi a noise appears

would i have bad injectors?????????

 

[JD4440]

Were the nozzles just installed prior to this ?

 

[jmar]

I just bought the truck and on the way home it was doing this, and it came with large injectors

It keeps doing this more and more frequently!!!
if I run it hard it does not do it
but when I trailer or not accelorate as aggressive it does it really bad