Interesting thought. It is probably not a calibrated instrument but
rather for taking comparative readings. I am guessing that an oxygen
sensor from a smog control with a simple circuit might work. Any
sparkies out there?
On 29 Aug 2003 06:37:26 -0400, Dave Cramer wrote:
>I was perusing K&N's site and I see they are selling an exhaust gas
>analyzer ;) for tuning your engine.
>
>This is nothing more than an oxygen sensor from a car, a battery,
>and a
>bunch of led's.
>
>Does anyone know the least expensive oxygen sensor for cars? This is
>easy to build.
>
>
>Dave
Al Hatten
'93 Virago XV-1100
VOC #7745
Napa,CA - Wine Country
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