Honda have keihin blue tip 190cc for D15-16 and for B16 have 240cc. brother to check transistor thing try to remove air filter and drag ur car in 1st and 2nd gear if u feel jerk around 5000 rpm chnage your injectors if u feel that ur car is missing or something check pulse from injects and replace the ic, if u want solution give me call 0345-2064773.