i have a 96 ek swap obd1 gsr motor and i have a problem i cant rev it past 4000 rpm and i though it was my map sensor but i have this dude that work at honda check it out and he sad that it was not it and sad that it could be eather my throttle body or ecu can that be it you guy would know what is the problem?

 

Are you throwing a code?

 

no it not throwing me anything