could it be dirty air intake sensors 1 at throttle body 1 on intake manifold, or something else. when i step in too it it feels real sluggish, i let off a little than step back into it and it would go a little quicker, i used too walk mustang gt's,z4,c6 now can't barely pass them. running on 01 ECU 04 f22 w 00 f20 trannynot tuned, or is it the ecu i do have the f22 ecu sitting around but have to take it to dealer to match ignition key....help me please i want my fast car back.....

 

What are you running for fuel, are you running a piggyback of some kind,vafc,emu etc. or are you using a fmu.