How dangerous is lean burn ? - Page 3 - Fuelly Forums

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Old 02-10-2006, 10:54 AM   #21
Driving on E
 
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Re: Speaking of Lean Burn

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Originally Posted by krousdb
Thanks to DAX for sending me the OBD training manuals. I'm on part 2 of PGMFI System Overview. I found this nice piece of info, I think it refers to the D15Z1:
"Certain Civic Models use a very special O2 sensor called a Lean Air Fuel Sensor. This sensor has 5 wires and can be controlled by the ECM to run the engine on A/F ratios as lean as 23:1"

I'm jealous!
That's my future engine all right I'm hoping to run 23:1 on a few road trips this summer
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Old 02-10-2006, 01:36 PM   #22
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Quote:I am partial to the

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I am partial to the PLX devices, they are about $300. You can have a digital readout of realtime AFR and still emulate a narrowband signal to the ECU.
*cough* I'm trying to get him to get a zeitronix, those are neat buggers!
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Old 02-10-2006, 01:37 PM   #23
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Quote:That's my future

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That's my future engine all right Smiling I'm hoping to run 23:1 on a few road trips this summer Smiling
I'm not sure if the 23:1 refers to the actually AFR of the engine (I doubt this) or the usable range of the o2 sensor.
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