WB, NB, and broken pistons

[rr]

If we can trust the NB to double check the WB, then why the WB?

BobR.


bcroe at juno.com wrote:

> That sounds like practical development work to me.  Keep
> that NB sensor running.  At WOT the NB is not allowed to
> go to lean, no matter what the WB unit says.  You might
> loose power, but not parts for a WB failure.
>
> Bruce Roe
>
> On Sat, 25 Aug 2001 11:50:30 -0400 Len Sabatine <sabatine at epix.net>
> writes:
> >     BobR , as usual, you've got your ducks in line.
> >     Maybe a work around to avoid crispy piston decks , would be the
> > development
> >     of a WB "look alike" input to the PCM's O2 channel [s] , with
> > necessary
> > program
> >     code that would default to normal NB monitoring and control.
> > MAYBE this
> > could
> >     be useful to avoid catastrophic engine damage in the event of
> > the WB
> > ckt/ sensor
> >     failure , assuming the WB is the primary monitor in use.
> >     This isn't a trivial endeavor.
> >     Len
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