maf showing fault help ??????
 

having problems with my sti type-r v5 1999, slight hesitation on light throttle and sometimes revs upto 1500-2000 on tickover, plugged diagnostic cables under dash fault code 23 showing which is maf sensor purchased brand new sensor from dealer and reset light after a driving over 6 miles still having problems and fault still showing after pluging leads together any ideas please can anything else cause this fault thanks.