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Old 06-18-2002, 04:37 PM   #1
mrtrex
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Member#: 12223
Join Date: Nov 2001
Chapter/Region: MAIC
Location: Pittsburgh Pa
Vehicle:
2005 WRX

Default Air Fuel Question?

Is there a digital air fuel gauge that reads in numbers? Is there a way to get it to work because of the wrx is 5 volts and the gauage reads from 1 volt?
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Old 06-18-2002, 04:48 PM   #2
BeavisNuke
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Join Date: Feb 2002
Location: Boca Raton, FL
Vehicle:
2002 WRX Sedan WRB
TurboXS Stage 2.5

Default

Hook it up to the rear o2 sensor

ECU pin B17
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Old 06-18-2002, 04:54 PM   #3
mrtrex
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I have a resister wired there to stop the low cat cel. Will I still get accurate readings from it?
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Old 06-18-2002, 04:56 PM   #4
BeavisNuke
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2002 WRX Sedan WRB
TurboXS Stage 2.5

Default

Do you have the resistor on B17 because you have no rear o2 sensor? Did you buy an exhaust with no cats?

If this is the case, you're S-O-L on the A/F gauge. Find one with its own wideband o2 sensor.
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Old 06-18-2002, 04:57 PM   #5
mrtrex
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2005 WRX

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Guess I need A wide band $$
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