I've been dealing with the same hesitation/stalling problem at WOT for awhile now.
Basically when the boost and RPM get way up there the car will audibly go "ka-chuck" "ka-chuck" "ka-chuck" or stall for a split second then do it again unless you take your foot off the gas.
I've replaced the fuel pump, fuel filter, added a FP regulator, ignition, ignition wires, spark plugs, PCV valve, etc.
I was speaking with a mechanic friend of mine and he says is most likely my throttle position sensor (he said to replace it), if not then it is my IAC or the way the timing is currently set.
Does that make any sense?
Basically when the boost and RPM get way up there the car will audibly go "ka-chuck" "ka-chuck" "ka-chuck" or stall for a split second then do it again unless you take your foot off the gas.
I've replaced the fuel pump, fuel filter, added a FP regulator, ignition, ignition wires, spark plugs, PCV valve, etc.
I was speaking with a mechanic friend of mine and he says is most likely my throttle position sensor (he said to replace it), if not then it is my IAC or the way the timing is currently set.
Does that make any sense?