Join Date: May 2009
Location: (518) on the boarder of MA+CT
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I dont own a 6.4 never would. I notice throttle lag in them before updates, and after updates. Ive got 1 customer that ive done a radiator, front cover water pump and reprogram who swears up and down hill that at 65-70 on the interstate when he goes to pass a car/truck his truck has nothing and then it all of a sudden comes to life. Hell it was like that before it was reprogrammed. Ever notice if you flick the throttle say your in a parking lot, and you quickly tap it down to say 1/4 throttle, nothing happens, yet if you keep doing it all of a sudden itll take off like a raped ape? i just think its a processor lag, kind of like a computer when you have a few different things going on, like say your watching a youtube video, or playing a music video on youtube, while you have this site up browsing, and then be typing up a report or something else, and if you go back to the youtube window it seems to skip allthough the audio plays fine the video pauses then jumps ahead to match the audio? Pretty much same concept. Ill bet in a few years there will be a TSB to install an updated PCM that has a faster processor in it...
Ford doesn't have an answer for me...