Turbo Lag....
#1
#2
Probably not on a stock truck. A couple of options are getting your FICM tuned by PHP, which is a LOT less invasive than PCM tuning, or getting a tuner. Try two footed driving--hold the brake and give it a SMALL amount of fuel before leaving a stop and roll into the throttle rather than punching it (which makes lag worse).
#3
#4
FICM tuning is a different animal than PCM tuning entirely. You don't get the big HP gains that you do with PCM tuning. It's more of an adjustment to driveability than performance. Typical gains are 1-3 MPG and better throttle response although not every truck responds the same.
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#8
5-7 seconds lag isn't normal. Tell me this, if you go WOT from a stop, does it barely creep along until it gets to about 2300rpm, then take off like a scalded cat? If that's the case, it sounds like your turbo vanes are stuck in the open position and it needs to be taken apart and cleaned at least.
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