So I have a 93 se-r and it had a jwt pop upgrade ecu but I noticed it was dumping fuel so I changed it to a stock ecu so now my problem is that it has a bad hesitation under half throttle and when u give it full throttle its like it doesn't wanna really go anywhere til about 5k then takes off like a bat out of hell like it has vvl or something but doesnt . Its a bone storck motor stock everything but an intake and a 3 inch catback... now I've been trying to figure out wtf the problem is and can't figure out what it is..... could it be bc the ecu I put in came out of a 91-92 and mines a 93 idk someone help bc its starting to piss me off it ran perfect when I had the jwt ecu in there but like I said it used to much fuel so any help would be awsome
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