1990 supra need help
 

How's it going guys I have a ?? I have a 1990 toyota supra 7mgte., I just did a 3 inch intercooler to hit on the process I had to remove air cleaner so disconected some vacum lines and map sencor when I was all done I put it back to together runs but now it won't go past 2500 rpm when u step on the gas it just don't go pass that like if the ecu is not letting it gain boost . . It idled up and down when u are on the throttle what could it be