WPSLPGExhaust Gas Oxygen (EGO) sensor Information

[Bruce Plecan]

----- Original Message -----
From: <ext-peter.betts at nokia.com>
To: <diy_efi at diy-efi.org>
Sent: Thursday, August 03, 2000 11:37 AM
Subject: RE: WPSLPGExhaust Gas Oxygen (EGO) sensor Information


>
> > What are we trying to do?
>
> What *I* am trying to do is have a tuning aid in the car to tell me when
I'm
> running too rich or lean under WOT. I don't care what the ECU is doing
with
> it. Ideally I was hoping for a proportional output, you know, slightly
rich,
> rich and so rich the fuels coming out of the exhaust in flames and vice
> versa for lean conditions.

You can not do that with a non WB O2
What part of that don't you understand?.
G

> I can see that under closed loop operation the ECU control algorithm is
> going RICH/LEAN/RICH/LEAN etc etc and I understand from the archives the
> reason why is mainly to keep to aounnd Stoch' and hence make efficient
> economy and reasonable power output and still get the catalytic converters
> to work efficiently.
>
> The situation I'm in is I have increased the boost on my turboed car and I
> want a method of indication to tell me when I've pushed the limit too far,
> as far as I can see this doesn't affect the closed loop operation as it's
> only under boost that I concerned about (and again I'm assuming this will
> always be open loop control).
>
> I had though an AFR meter on the O2 sensor would do this (if you believe
all
> the advertising)
>
> So what can I do?
>
> If this needs a new thread then please change the suject title.
>
> Pete
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