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 Post subject: aem wideband setup
PostPosted: Thu May 15, 2014 8:18 am 
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Junior WRC

Joined: Fri Jan 29, 2010 10:39 pm
Posts: 514
Location: Bournemouth
Car Model: ST205
Anybody have a clue how to setup one of these to replace the oem settup? Do I just set it up to do the 0-1v swing output and feed it to the stock ecu input.
http://www.efi-parts.co.uk/index.php?productID=204

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 Post subject: Re: aem wideband setup
PostPosted: Tue May 20, 2014 7:54 am 
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Joined: Fri Jan 29, 2010 10:39 pm
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Location: Bournemouth
Car Model: ST205
nobody :(
Does anyone know that If I run it for stock ecu (narrowband) can the display show the wideband output simultaneously?

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 Post subject: Re: aem wideband setup
PostPosted: Tue May 20, 2014 2:19 pm 
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Joined: Wed Jul 13, 2005 12:06 am
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Location: Perth, Western Australia
Car Model: ST205
There was a general discussion on here a few months ago about using a wideband sensor in narrow band mode for the ECU input whilst simultaneously displaying the wideband output. Seemed to be too good to be true. Might be worth a quick search. I seem to recall that the conclusion was that you really need two sensors :(

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 Post subject: Re: aem wideband setup
PostPosted: Tue May 20, 2014 2:40 pm 
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Joined: Wed Jul 13, 2005 12:14 am
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Location: Camberley, Surrey
Car Model: ST205
I can't see anything on that link that says it can simulate a narrowband output, or have I missed something?

I would weld a boss into the exhaust and run this sensor independently.

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 Post subject: Re: aem wideband setup
PostPosted: Tue May 20, 2014 2:44 pm 
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Joined: Thu Jul 14, 2005 12:44 pm
Posts: 4067
Location: drinking devil fuel
Car Model: ST205
It doesn't actually say on that page, or a quick flick of the AEM site, that the analog out can be configured for simulated narrowband


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 Post subject: Re: aem wideband setup
PostPosted: Tue May 20, 2014 6:38 pm 
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Group B
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Joined: Sat Sep 02, 2006 3:13 pm
Posts: 3679
Location: Bournemouth
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As far as I know, the lower cost AEM wideband has a fixed output which is effectively a wideband analogue. The more expensive uego failsafe has a PC port which allows configuration. Not certain if this can be programmed to simulate a narrowband.

The only one I know for sure you can do this is the vems gauge, but I haven't seen these for sale for quite a while now.

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 Post subject: Re: aem wideband setup
PostPosted: Wed May 21, 2014 10:02 am 
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Junior WRC

Joined: Fri Jan 29, 2010 10:39 pm
Posts: 514
Location: Bournemouth
Car Model: ST205
there are dip switches on the back of the display, in the manual, it says one of the modes is 0-1v but it doesn't say its narrowband???
Its odd that that configuration is on the display module because that means if it does run in narrow band mode, you still have to have the display plugged in.

This is a UEGO btw

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 Post subject: Re: aem wideband setup
PostPosted: Wed May 21, 2014 10:04 am 
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Joined: Fri Jan 29, 2010 10:39 pm
Posts: 514
Location: Bournemouth
Car Model: ST205
http://www.schnitzracing.com/manuals/AEMWBK.pdf

P4 configuration is the one I think I need.

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 Post subject: Re: aem wideband setup
PostPosted: Fri Aug 22, 2014 6:42 pm 
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Junior WRC

Joined: Fri Jan 29, 2010 10:39 pm
Posts: 514
Location: Bournemouth
Car Model: ST205
Finally got round to installing this in the stock location of the original 02 sensor and everything seems to be running fine.

Had a reading of 11 on full boost, I think that is ok ?

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 Post subject: Re: aem wideband setup
PostPosted: Fri Aug 22, 2014 8:18 pm 
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Joined: Fri Mar 30, 2012 8:31 am
Posts: 332
Location: Wiltshire
Car Model: ST205
What reading are you seeing on idle/cruising?
I get around 14.7 wavering of course when idling or cruising with no acceleration as the ECU does it's stuff.

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 Post subject: Re: aem wideband setup
PostPosted: Fri Aug 22, 2014 8:21 pm 
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Joined: Fri Jan 29, 2010 10:39 pm
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Location: Bournemouth
Car Model: ST205
I get 14.7 will occasional blip to 15.1 on idle. Havnt done cruise yet as my foot is a bit digital.

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 Post subject: Re: aem wideband setup
PostPosted: Fri Aug 22, 2014 11:13 pm 
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Joined: Wed Jul 13, 2005 12:14 am
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Location: Camberley, Surrey
Car Model: ST205
Standard ECU still? 11:1 seems maybe a touch leaner than I would expect of the standard setup. Often they fuel 10:1 or richer.

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 Post subject: Re: aem wideband setup
PostPosted: Sat Aug 23, 2014 5:20 pm 
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Junior WRC

Joined: Fri Jan 29, 2010 10:39 pm
Posts: 514
Location: Bournemouth
Car Model: ST205
Tweaked stock ecu, 1.3 bar. Jdm on 99 fuel if that makes a difference.

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 Post subject: Re: aem wideband setup
PostPosted: Sun Aug 31, 2014 2:51 pm 
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Junior WRC

Joined: Fri Jan 29, 2010 10:39 pm
Posts: 514
Location: Bournemouth
Car Model: ST205
Also, what is strange is the warning light doesn't flag up the 02 heater open circuit.. odd, it used to.

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