LEAN PROBLEMS...need knowledge!!!

NEED REAL HELP HERE!


here is a thread a lil about what i've already explained, mainly me and grady
http://forums.stangnet.com/showthread.php?t=601806

ne ways here goes again!

bought car not quite runnin right when you kick it down, around mid throttle, then at like 4-4500 it takes off like a dirtbike powerband! Really noticable in gettin up.

gave it a tune up
oil change
new plugs, wires, cap, rotor (yes all wires on right and plugs gapped right)
set timing
new belt
cleaned k&n (didn't over oil)
sprayed cleaned maf with electronic contact cleaner
replaced AIT
scan comp and get (lean at mid throttle code)

....any help???
 
Are you getting a really loud buzzing from your fuel pump? Because i was having a similar problem with running lean at mid throttle. Turns out i had a bad fuel pump, i replaced it and havent had a problem since.