Installed new 42lb injectors, bigger maf, and 1.9 ratio rockers and now whenever I go WOT I noticed that my boost goes down after about 4k rpm
I get a solid 160+kpa that increases with rpm up to 4k then it feels like the pcm is closing the throttle body, I get a steady 140kpa up until it shifts.
Anyone else ever had this issue?
Current mods are headers, 1.9rr, IC, Water Meth, LQ4 MAF, 42lb injectors, 2.9" pulley
I have looked at every TM setting, and I cant for the life of me figure out why it is commanding the throttle body to close
I can post the log and tune if needed.
I have also done a lot of searching and cant find anyone else with this issue.
Would a crank position relearn do anything..? idk..