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Hayden Miller
Tinkerer
QLD
Soarer TT

Posts: 73
Reg: 02-2006

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Sunday, October 01, 2006 - 11:18 am, by:  Hayden Miller (Zero) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Iv never really driven my soarer hard but the last few days iv been giving it a flogging round town and noticed it really doesnt want to rev past 4000rpm and when it does it doesnt seem to make any more power, is this right? Does the power band thin out around 4500? Or is something wrong?
Callum Finch
Goo Roo
WA
Soarer TT & Corolla

Posts: 1973
Reg: 09-2005

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Sunday, October 01, 2006 - 11:36 am, by:  Callum Finch (Sigeneat) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Nope, not normal.

I have heard of something similar in the past however.. but cant.. quite.. put.. my finger on it.

Being a non-car technical minded person, the first thing that pops in to my mind to try is an ECU reset.

Two threads which may help with some troubleshooting at least:
http://soarercentral.com/sc-forum/messages/282/11552.html
http://soarercentral.com/sc-forum/messages/51875/67472.html
Hayden Miller
Tinkerer
QLD
Soarer TT

Posts: 74
Reg: 02-2006

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Sunday, October 01, 2006 - 03:03 pm, by:  Hayden Miller (Zero) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks Callum... tried an ecu reset but i will try again.

Its not that it loses power but it doesnt seem to make any more power as it climbs the rev range. If it counts i have a bfi, cat back exhaust and crappy bleed boost control.
Usualy the warmer the car gets the worse it performs, after a long hot drive it doesnt want do anything, comes on boost but makes little power even in the lower rev's.

in other possibly related problems... ocssionaly whilst still reasonbly cold the idle drops to about 400rpm and you can hear it wanting to stall... every so often it does stall.

this car is driving me insane!
Michael O'Driscoll
Tinkerer
Victoria
TT

Posts: 88
Reg: 10-2005

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Sunday, October 01, 2006 - 03:18 pm, by:  Michael O'Driscoll (Remickz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Any chance the "crappy bleed boost control" could be effecting it? Opening wastegates or something? I don't quite know, but BFI, Catback Exhaust should be increasing in power in the rev range.
Hayden Miller
Tinkerer
QLD
Soarer TT

Posts: 75
Reg: 02-2006

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Sunday, October 01, 2006 - 03:35 pm, by:  Hayden Miller (Zero) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I wouldnt know Michael, could some one else comment on that... for what its worth im running 11.5psi
Peter Ha
DieHard
NSW
Jzz30

Posts: 641
Reg: 07-2005

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Sunday, October 01, 2006 - 05:38 pm, by:  Peter Ha (Soaranova) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

im getting a similar problem with that and i don't even have a boost controller hooked up anymore. any know how what could be the problem?
Luke Nieuwhof
Goo Roo
WA
Soarer TT

Posts: 1503
Reg: 07-2005

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Sunday, October 01, 2006 - 05:47 pm, by:  Luke Nieuwhof (Luke_nieuwhof) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Are you guys maybe just feeling the acceleration in the mid range and then feeling like it drops off? You're generally not going to get the same acceleration right through a gear and it will feel like it tapers off to an extent.
Jeff Wilkins
TryHard
South Australia
JZZ30 GT-TL

Posts: 225
Reg: 07-2005

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Sunday, October 01, 2006 - 08:33 pm, by:  Jeff Wilkins (Calin) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Hayden Miller wrote on Sunday, October 01, 2006 - 11:18 am:


...it really doesnt want to rev past 4000rpm and when it does it doesnt seem to make any more power, is this right? Does the power band thin out around 4500? Or is something wrong?




Not a chance mate, she should be pulling hard and fast right up to 7000.

Sounds a bit like limp mode.
Hayden Miller
Tinkerer
QLD
Soarer TT

Posts: 84
Reg: 02-2006

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Wednesday, October 04, 2006 - 06:20 pm, by:  Hayden Miller (Zero) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Done a few experiments! If I want it to rev past 4000 i need to really pump it... pushing my foot down at a normal rate (eg. pulling out onto a freeway) the car will happlily run up to 4500 but then it does not want to move any further... if i want to get the revs up even higher i need to plant it.

however if i find a quiet strech of road and floor it from stand still she revs out no worries (altho it doesnt sound happy)

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