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Old 11-04-2006, 01:18 AM   #1
scooby-stu
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Member#: 52890
Join Date: Jan 2004
Location: Meniffe,CA
Default Quick ??? on the hydra

Hey everyone i just purchased my hydra got a sweet deal, bought phils hydra for $1200 with WB. This may seem like a dumb question, do i need to keep my factory 02 plugged in? reason im asking because stupid me forgot to unplug the harness while taking the engine out and ripped the wires from the sensor
was the uppipe 02 sensor

Cheers Stu
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Old 11-04-2006, 01:52 AM   #2
r0nzar
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Chapter/Region: RMIC
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'06 Evo IX RS
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the up-pipe is an egt sensor in stock form if i'm not mistaken
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Old 11-04-2006, 03:00 AM   #3
THE-95-STi
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2023 FL5 Type R
Subaruless

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I thought the wideban 02 sensor went on the down pipe? 4inches back from the turbo??
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Old 11-04-2006, 11:17 AM   #4
scooby-stu
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exuse me the one in the manifold ther a 2 one there and one in the downpipe
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Old 11-05-2006, 08:54 PM   #5
El Gato
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Location: San Juan, Puerto Rico
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2005 Hydramist 35R82
93oct 479whp 456tq

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Either you use the stock one, or the wide band when tunning. The Hydra uses the one after the turbo in the STI's. Use the wideband for tunning and auto tune, then when done, install the stock one back. This will make your wideband last longer, especially if you use a lot of racing gasoline. In the select/settings/closed loop menu, in the left and right sensors enable 14.7 U/HEGO when using the stock sensor. With the wide band, when not in auto tune, use 14.7 Wide Band HEGO. When doing auto tune with the wide band, use the wide band target table. I do not think you can use both at the same time.
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Old 11-06-2006, 01:35 PM   #6
x99percent
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Remove the front stock sensor. The Hydra does not use the front sensor on the Subarus, and leaving an unpowered sensor in the exhaust is a good way to kill the sensor.
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Old 11-06-2006, 09:27 PM   #7
El Gato
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93oct 479whp 456tq

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Quote:
Originally Posted by x99percent View Post
Remove the front stock sensor. The Hydra does not use the front sensor on the Subarus, and leaving an unpowered sensor in the exhaust is a good way to kill the sensor.
Weeell. Mine should be as good as toast then. Been there for 6 months now unpowered.
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Old 11-07-2006, 12:14 AM   #8
scooby-stu
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Nice well i dont have to worry purchasing one of thoses then cheers guys
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Old 11-11-2006, 08:21 PM   #9
entropy138
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Quote:
Originally Posted by El Gato View Post
Weeell. Mine should be as good as toast then. Been there for 6 months now unpowered.

Mine will have been in for a year in Jan ....
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Old 11-12-2006, 02:22 PM   #10
x99percent
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Quote:
Originally Posted by El Gato View Post
Weeell. Mine should be as good as toast then. Been there for 6 months now unpowered.
Yeah, I was thrilled to discover that after my Hydra had been in place for about 6 months, too.
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