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interfacing a wideband O2 sensor

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Old Dec 7, 2003 | 09:49 PM
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From: Kingdom of Saudi Arabia
interfacing a wideband O2 sensor

Does anyone know if it is possible to interface a wideband O2 sensor to something like a safc, so that a real time AF ratio correction can be done to a preset level?
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Old Dec 10, 2003 | 06:23 AM
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Re: interfacing a wideband O2 sensor

Originally posted by SlowCar
Does anyone know if it is possible to interface a wideband O2 sensor to something like a safc, so that a real time AF ratio correction can be done to a preset level?
Yes .. only if you're not running the greddy pressure sensor.

You hook up the voltage out from the wideband O2 to the MAP sensor port, and it basically reads the voltage from 1-5v..

Software glitch prevents you from logging though.. but you can see it real time when you select greddy pressure sensor on the injector control map
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Old Dec 11, 2003 | 11:03 PM
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From: Lynnwood, WA
Was the glitch fixed in the 1.36 release or no?
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Old Dec 12, 2003 | 05:07 AM
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Originally posted by engineerboy
Was the glitch fixed in the 1.36 release or no?
Nope .. I'm running the 1.36 and I still can't run ignition on my car
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Old Dec 14, 2003 | 11:08 AM
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Is ignition still a problem with emanage,should you only run injector harness.
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Old Dec 15, 2003 | 04:30 AM
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Originally posted by 3deep
Is ignition still a problem with emanage,should you only run injector harness.
Yes .. they came out with an adaptor harness to fix the frying .. but it didn't work for me .. apparently .. the adaptor harness works for certain cars .. and doesn't work for others .. and all of them evos

I just run the fuel control only .. just couldn't figure out why the ignition doesn't work .. the japanese are facing the same problem ..
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Old Dec 15, 2003 | 01:14 PM
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From: Kentucky
You drive a GT-A, are all of them automatic transmission cars? Wondering if there is a connection as to why some work (like mine) and some don't (like yours).
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Old Dec 16, 2003 | 09:43 PM
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Originally posted by 992gnt
You drive a GT-A, are all of them automatic transmission cars? Wondering if there is a connection as to why some work (like mine) and some don't (like yours).
Nope .. no connections .. those that don't work are mostly VII/VIII GSRs .. haven't heard any ignition that work fine on the JDM cars yet .. only USDM cars seem to work .. except it fries when the car is not started .. maybe the USDM cars runs differently ??
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Old Jun 1, 2004 | 08:02 AM
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From the IS300 forums.

we've been having problems with the ignition harness on 02+ IS300's
It seems that jumper one switches the ignition configuration from pull up to pull down.

jumper 2 switches the ignition configuration from 12V to 5V.

Try switching jumper one around if the ignition harness is completely dead and you're sure the coils are correctly wired.
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