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05-31-2021, 05:08 PM | #1 |
Scooby Specialist
Member#: 378421
Join Date: Jan 2014
Location: NC
Vehicle:2005 Cobb Stg2+ Wrx Platinum Silver |
Idle & tps adjust?
hey all, my 05 Wrx ej205 idles at 500rpms when warm, according to stock tach and v3 access port.
I raised idle rpm to ~750 with the adjustment screw on the throttle body, but the accesport shows throttle position is about 4%. Do I need to adjust the throttle position sensor? I've had to do that with my old Honda. Or just set idle rpm and ignore throttle position sensor?
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05-31-2021, 05:59 PM | #2 | |
Scooby Specialist
Member#: 283429
Join Date: May 2011
Chapter/Region:
South East
Location: Down yonder.
Vehicle:2016 Fuji Sunfire 03 Silver |
Quote:
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05-31-2021, 06:03 PM | #3 |
Scooby Specialist
Member#: 378421
Join Date: Jan 2014
Location: NC
Vehicle:2005 Cobb Stg2+ Wrx Platinum Silver |
Iacv is about 2 months old, genuine subaru.
No vacuum leaks i can find. Is fuel trim at idle something I can check with accessport? I used to adjust idle with accessport but heard thats not good? |
06-14-2021, 06:49 PM | #4 |
Scooby Newbie
Member#: 504553
Join Date: Jul 2019
Chapter/Region:
SCIC
Location: California
Vehicle:2005 WRX wagon Platinum Silver |
I'm running an 05 EJ205 also. The EJ that was in it at purchase and the replacement EJ both idle at 500-700 RPMs.
I thought it was normal, until I stopped by my local Subaru Dealership and they told me it was idling low. But they couldn't (or wouldn't) give me any reasoning. Old engine only had an upgraded TMIC. For the new engine, I added silicone intake, induction hose, ancillary hoses, and intercooler hoses to cut any chances of leaks. I'm new to Subies but I have been building Nissans and Mazdas for many years, so I'm mostly sure of my work. But I still don't know why or how it's idling low. |
06-29-2021, 07:31 AM | #5 |
Scooby Newbie
Member#: 525221
Join Date: Jun 2021
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Same issue here
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07-02-2021, 07:38 AM | #6 |
Scooby Newbie
Member#: 100127
Join Date: Nov 2005
Chapter/Region:
South East
Location: orlando florida
Vehicle:02 WRX wagon WRB |
i have a lightened crank pulley and the idle can drop low with the AC and other accessories on. is that really seriously that bad TIA
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07-02-2021, 10:40 AM | #7 | |
Scooby Specialist
Member#: 508105
Join Date: Nov 2019
Chapter/Region:
NWIC
Location: Greater Seattle Area
Vehicle:Link G4X flex tuned 02' EJ205 20G 6MT wagon |
Quote:
yes its not good. |
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