Lambda Sensor

[Glenn & Debbie Woodhouse]

I bought one through NAPA for $135.  It is the same NTK 5 wire sensor for
the Honda 92-95 Civic 1.5 VTEC p/n 36531-P07-003, it is just that the
pricing has accelerated from $90 all the way up to $220 in the last couple
of years.  I think some large part houses may have older stock with older
pricing still in their systems.  It's worth poking around a bit.  The NAPA
cross p/n was OS791.

Good luck, Glenn.

***********************************************

Date: Thu, 26 Apr 2001 09:12:09 -0500
From: steve ravet <sravet at arm.com>
Subject: Re: Lambda Sensor

The only sensor that works with the diy_Ego project is the honda one
mentioned in the project notes.  It's a completely different thing from
the 1/2/3/4 wire switching types typically used by auto manufacturers.
The honda one costs about $250 I think, but at least the circuit is
cheap!

- --steve

Mike Blakey wrote:
>
> I'm after some data on a 1-wire O2 sensor.  I'm planning to construct the
EGO meter
> as per diy-efi web site, but I still have some questions
>
> I'm planning to use a universal 1-wire sensor. But I can not find any
technical
> data on them.
>
> 1.  Does the sensor require a bias or excitation voltage?
> 2.  If the output voltage is self generating (albeit at high impedance)
what
> voltage corresponds to what oxygen level?
> 3.  what is the correlation to oxygen level and mixture ratio?
>
> I have already built the circuit but have yet to buy a sensor, any
recommendations
> would also be appreciated.
>
> Thanks.
>

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