SAFC Wiring on 4th gen

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Jul 7, 2009 | 03:55 PM

wirelessdude04

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SAFC Wiring on 4th gen

So im hooking up a SAFC for my friend on his 4th gen.... Got everything connected but he wanted his AF to be displayed was wondering what pin is it on the ECU.. I found this but i dunno if its correct or not http://www.dynomagic.com/images/diag...AF%20Gauge.jpg

Jul 7, 2009 | 04:56 PM

t6378tp

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Jul 7, 2009 | 06:24 PM

essential1

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Didn't know you could display A/F ratio with the SAFC... If that was the case, we wouldnt have a use for wideband o2 sensors/gauges...

You sure your not getting "air/fuel" mixed up with "air flow"?

Jul 7, 2009 | 07:13 PM

gtr_rider

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if anything it would be a narrow band a/f ratio where the widebands are well "wideband" ratio's.

Jul 8, 2009 | 01:05 PM

pmohr

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Quote:

Originally Posted by gtr_rider

if anything it would be a narrow band a/f ratio where the widebands are well "wideband" ratio's.

Indeed, it would seem he wants to tap into the stock O2s, which is absolutely useless.

Jul 8, 2009 | 01:41 PM

modenaf1

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If I recall correctly, the SAFC doesn't even have that function?

Jul 8, 2009 | 03:17 PM

wirelessdude04

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Quote:

Originally Posted by essential1

Didn't know you could display A/F ratio with the SAFC... If that was the case, we wouldnt have a use for wideband o2 sensors/gauges...

You sure your not getting "air/fuel" mixed up with "air flow"?

lol yea sorry meant air flow.. I know its useless its not accurate reading's but i do as he tell's me since he is paying me lol

Jul 8, 2009 | 04:17 PM

Jime

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You can hookup the blue wire to either of the front o2 sensors and it will readout the voltage. Not of great use but if you don't have a wideband its better than nothing.