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09-12-2006, 03:14 PM | #1 |
Scooby Newbie
Member#: 54641
Join Date: Feb 2004
Location: Lexington, KY
Vehicle:04 Wrx Sti Green |
Need Urgent Help, Sti runs horribly
We have an 04 Sti that was built for Fuzion tire (yea, the ugly green one) and anyways, they dropped it off at my work and wanted us to put a new bodykit on it, a Stoptech Brake Upgrade, Sparcos and a bunch of other little stuff. They also wanted us to get the car running right, all in about a week and a half. Anyway, the car runs horrible and i have to ship it out tomorrow morning and am looking for some suggestions.
The car has a Turbo XS FMIC and a Turbo Back exhaust on it. It had a vent to atmosphere BOV on it and we initially thought that that was most of our problem. We replaced it with a recirculating one and changed the plugs and the car is running much better, but it still likes to die sometimes around idle. The car also has gas in it that has probably been in it for 2 months or so. What are you guys doing when installing a FMIC and Turbo Back Exhaust to make it run correctly, or should the ECU learn it and we have a bad gas problem? Please help. Thanks
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09-12-2006, 03:25 PM | #2 |
Scooby Specialist
Member#: 69689
Join Date: Sep 2004
Location: pennsylvania
Vehicle:04 interceptor sti 11.89@118 sz55 pump gas |
sounds maybe like a boost leak, or the maf on the intake might be on backwards
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09-12-2006, 04:10 PM | #3 |
Scooby Newbie
Member#: 54641
Join Date: Feb 2004
Location: Lexington, KY
Vehicle:04 Wrx Sti Green |
we just unplugged the MAF and the car started idling great. Where should i go from here?
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09-12-2006, 04:20 PM | #4 |
Scooby Guru
Member#: 8785
Join Date: Jul 2001
Chapter/Region:
SWIC
Vehicle:02 c_turner@ix. netcom.com |
The car needs to be tuned. You changed the intake Tract with the FMIC and intake. Start by pulling the codes with a scan tool. But you need to have the ecu flashed for those mods for the car to have a chance of running right. unplugging the MAF put the car in limp mode.
Clark |
09-12-2006, 04:40 PM | #5 |
Scooby Newbie
Member#: 54641
Join Date: Feb 2004
Location: Lexington, KY
Vehicle:04 Wrx Sti Green |
what kind of tune would you recommend?
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09-12-2006, 04:43 PM | #6 |
Scooby Newbie
Member#: 55287
Join Date: Feb 2004
Vehicle:05 STI Black |
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09-12-2006, 06:52 PM | #7 |
Scooby Newbie
Member#: 122242
Join Date: Aug 2006
Location: Down the Bayou
Vehicle:2006 WRX LTD Aspen White |
Make an appointment tomorrow with someone who does ECUTEK reflashes. That would probably be the fastest tuning route unless you can find a Cobb Accessport locally.
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09-25-2006, 04:56 PM | #8 |
Scooby Newbie
Member#: 54641
Join Date: Feb 2004
Location: Lexington, KY
Vehicle:04 Wrx Sti Green |
I think we have more problems. I think it has different injectors in it. The tops are yellow, i have heard they are normally pink from the factory, and the green bar that goes across the tops of them is gone
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09-25-2006, 05:03 PM | #9 |
Scooby Specialist
Member#: 88322
Join Date: Jun 2005
Chapter/Region:
MWSOC
Location: Indianapolis, IN
Vehicle:2009 BMW 135i |
STI injectors are yellow. They are sidefeed.
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09-25-2006, 05:05 PM | #10 |
*** Banned ***
Member#: 16200
Join Date: Mar 2002
Vehicle:OK buy Nates beans westcoastroasting.com |
...wrong-0.....usdm sti injectors are side feed yellow ones
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09-25-2006, 05:08 PM | #11 | |
Sammo Hung
Moderator Member#: 10613
Join Date: Sep 2001
Chapter/Region:
South East
Location: N Fla / S Ga
Vehicle:2002 USDM WRX WRB |
you need to do your homework
Quote:
you definitely need to get the car tuned properly. how far are you from boxer4racing, north carolina or knowledge performance, atlanta georiga or topspeed also in atlanta. but you should be aware that elevation makes a different when tuning the car. do not get the car tuned at a shop that is higher in elevation than you are. you did not mention which engine management system currently resides in the car besides the stock ecu. |
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09-25-2006, 05:16 PM | #12 |
Scooby Specialist
Member#: 34860
Join Date: Apr 2003
Chapter/Region:
Tri-State
Location: NY
Vehicle:2005 Forester CGM |
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09-25-2006, 10:15 PM | #13 |
Scooby Newbie
Member#: 59840
Join Date: Apr 2004
Location: Richmond, KY
Vehicle:2004 WRX STi Silver |
hmmmm i bet this is why justin was posting urgent subaru help needed on kysubaruclub.com. I would highly recomend a Cobb accessport with a protune from PDX.
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