I have a 93 legend with lots of mods on a newly rebuilt motor. It has run fine for 10 months since i modified everything. I just put new spark plugs in and last month the tranny was completly rebuilt.Now when im driving it just starts to miss or something bad but it will go away and come back. If I hit the gas it just sputters and tries to die but will slowly rev up. It has just been sitting for a week because i dont have the money for god knows how many hours of diag it will take. I go out and try to figure out the problem daily and sometimes it starts and runs fine and other times it will barly start and will die if I dont keep reving it and it sputters ormisses.I have an inline fuel pressure guage and i can see its just fine and I just had my injectors cleaned and flow tested. Im copletly stumped.

 

Now it wont even run it just fires right up first try and dies instantly. Im pretty sure my ecu is fighting my mods I know it does'nt like my cams and now I have apexi safc ll (which shorted out my integra) so I might need to get hondata but it is expensive and I already spent 33k on the mods and dont want to spend much more unless its for a supercharger. Does anyone know of a cheaper ems than aem that will work?

 

Thanks for all the input but once again I solved my problem myself and discovered that it was my MAP sensor. It was causing all my problems because my safc ll was fighting the ecu and it woldnt run or throw codes. Too bad the damn dice sized sensor is 300 dollars!