missfire at idle and part throttle and breakup at wot at 5500rpm

[wilderg88]

just recently the car started acting up out of nowhere. it has some missfire under part throttle and idle and when i i do a WOT it breaks up really bad at 5500RPM ive got br8es spark plugs gapped at 17 running 28-29pounds on a gt35r. i have tried bassically everything tried diff plugs, diff transistor, diff, Coil on plugs, diff ISC, diff cam angle sensor im bassically just looking for new ideas on what it could be or what i could try to see if it fixes my problem.

 

[jcarmichael]

assuming you have a fmic check all the piping to make sure you don't have a slight leak (boost leak test). also might check out your ecu to make sure there's no visible damage, I know if it is messing up it can cause alot of strange issues. if you have link is your o2 oscillating correctly when I have a boost leak mine stays high or low because its getting to much gas or not enough.