guibo, or flex disk is bad. PM proliphic, he knows all about these worries.
could be your fuel filter or your fuel pump. You sure its not the coils/plugs?
edit: as far as i know, fuel filter could cause a similar problem, but not this serious from what i know
I run a canadian HID kit company, if you have any questions about hid kits in canada or would like to check out our products please contact me here: http://absolutehid.ca
Hot: 2001 Estoril M Roadster
ZCP 19's michelin supersports, ZHP knob, JL 8W3
Cold: 2002 TiAg M3 6mt ZCP 19's michelin supersports, deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 18's w310's,
fun: 2006 YZF-R6, black