Re: Spica Tuning with O2 Sendor

[John Cecil <jcecil@domain.elided>]

I recently installed a "Dynograph" in my Fiat 124 Spider with L-Jetronic FI.
I did this in order to fine tune it to meet emissions as I had installed
larger intake valves and the car indicated an over rich condition when
tested with a smog testing exhaust gas analyzer. According to the
instruction sheet, the LEDs should be in the green to amber at idle, never
red,  and, at cruise, at the last green to first amber. WOT the middle amber
LED. The first three LEDs are red and indicate a lean air-fuel ratio. The
next 4 are green and the furthest on the right are amber and indicate a
richer ratio. That would mean, if each LED represents 0.1V, thay 0.7-0.8V is
correct for cruise and idle while 0.9 is correct for WOT. Hope this helps.
Regards,
--John Cecil
<jcecil@domain.elided>
<jcecil66@domain.elided>
<jcecil66@domain.elided>
<http://www.home.earthlink.net/~jcecil66>
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