i have a r33 and have a problem with it
at idle it runs rough. On light acceration its goes ok but coming on boost it miss fires if you stomp on it it just splutters. Just replaced coilpacks, spark plugs, fuel filter, air filter and cleaned the afm with crc brand maf cleaner. but still have the problem this is a small list of the mods
greddy plemium
apexi power fc
z32 afm
hks turbo
tomei cam gears
fmic
3'5 zorst
any help