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Yang Luo
DieHard
vic
soarer twin turbo manual

Posts: 611
Reg: 04-2006

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Saturday, December 30, 2006 - 02:35 am, by:  Yang Luo (Steven) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i just drive my car back from princes.when the rpm between 3000-5000 i can hear the exhaust "popopopo" and boost can't go up quickly,but after 5000rpm it is working fine.anyone met this problem before?
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 1074
Reg: 03-2006

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Saturday, December 30, 2006 - 09:31 am, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Sounds like your hitting the Boost Cut. Does the little red message come up on the dash?

OR sounds like bad Spark Plugs. Maybe check those?

Sounds like a case of boost spiking. How much boost are you running? And what kind of boost controller?
Yang Luo
DieHard
vic
soarer twin turbo manual

Posts: 614
Reg: 04-2006

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Saturday, December 30, 2006 - 12:57 pm, by:  Yang Luo (Steven) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i am running greddy profec b at 1.0bar and a greddy blue e management
Mustafa Akgul
Goo Roo
NSW
JZZ30-GTTL

Posts: 1006
Reg: 07-2005

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Saturday, December 30, 2006 - 06:55 pm, by:  Mustafa Akgul (Muzzy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

sounds like you mite have a failing coil/coils does it do this all the time or occasionally?
Yang Luo
DieHard
vic
soarer twin turbo manual

Posts: 615
Reg: 04-2006

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Saturday, December 30, 2006 - 11:19 pm, by:  Yang Luo (Steven) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

you mean coil packs?
Shane McInnes
DieHard
NSW
JZZ30 GT-TL Manual

Posts: 792
Reg: 07-2005

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Sunday, December 31, 2006 - 05:12 pm, by:  Shane McInnes (Soarin_tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yep id say its the coil packs.
Yang Luo
DieHard
vic
soarer twin turbo manual

Posts: 620
Reg: 04-2006

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Sunday, December 31, 2006 - 06:24 pm, by:  Yang Luo (Steven) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i thought it might be the problem from the petrol.i use v power in my tank last week and about 15 litre left i fill up the petrol by using unleaded,because it was my friend did that.

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