O2 sims

[Bruce]

What are you trying to do?.

On some of the simplier ecms for the ecm bench I use the injector signal to
fire an LED thru a 1K resistor.  The LED has a voltage drop of 1.8v.  Soo I
use two 10K resistors as a voltage divider to get a swing of .9v for the
lenght and width of the injector signal.  Usually works fine on the C3s, but
on some of the P4 they expect a time delay in the O2 reporting a Ing change.
Bruce



----- Original Message -----
From: "Gary Heuston" <gary.heuston at afwa.af.mil>
To: <gmecm at diy-efi.org>
Sent: Friday, September 14, 2001 9:20 AM
Subject: O2 sims


> does anyone know a way to make your own O2 sims?  While I could just go
out and
> purchase them in the spirit of DIY I would much rather make them...anyone
got
> any ideas on this?
>
> Mike Smith (TurboMike)  mentioned the PCM is looking for a 200-300mv
signal from
> the 02's?
>
> thanks!
> Gary
> gary.heuston at afwa.af.mil
>
>
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