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Old 10-19-2003, 02:33 PM   #1
Ken 02
Scooby Newbie
Member#: 12216
Join Date: Nov 2001
Location: Millersville PA
2002 Impreza WRX

Default Air Fuel Gauge Question

I know i have to hook the af gauge to the ecu to get and o2 reading, I've heard it goes into b17. Is this correct and how do i determine which is b17 since nothing is marked?

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Old 10-19-2003, 06:29 PM   #2
Scooby Specialist
Member#: 23359
Join Date: Aug 2002
Chapter/Region: NESIC
Location: San Francisco
2002 BMW M Coupe
Steel Gray


Yep its B17. Check this link to find the location and any other ECU wires you might wanna know.

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Old 01-24-2011, 12:35 AM   #3
Scooby Newbie
Member#: 172832
Join Date: Feb 2008
Chapter/Region: TXIC
Location: Austin, TX
2013 STI
Special Edition ORANGE!


this thread has been dead too long...

yeah i tried D19 (front sensor) but that didn't work - just got a single green light on the "rich" side. B17 works, although the light show in this placeholder gauge gets old and distracting kinda fast.

new link for that pinout http://northursalia.com/modification...ng/wrxpin.html
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Old 01-24-2011, 05:50 AM   #4
Trust no one
Member#: 11170
Join Date: Oct 2001
Chapter/Region: Tri-State
Location: NYC
02 WRX
15 WRX/05 GTO


This ancient thread needs to remain dead, and this type of gauge needs to be left in the box as it's totally worthless-
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