C/L WB/WOT OEM ECUs...

[the Fredericks]

There have been a couple of stories of Fel-pro users having just that
problem...I think I'd use the w/b to set my WOT fuel map, then run it from
the tables most of the time.  That's what several FelPro users I know do.

Kendall Frederick

> -----Original Message-----
> From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
>
> Thoroughly appreciating this thread everyone but here's a
> Newbie's question...
>
> Is WB O2 closed loop control at WOT actually safe?
>
> I was just thinking that any fouling and/or other malfunction of
> the O2 sensor
> etc could result in you going way lean under load with
> catastrophic results...
>
> I'm thinking that you would need to have a "WOT Limp To The
> Finish Line" mode
> so perhaps you shouldn't disable the open loop stuff...rather have it take
> over if WB O2 output falls out of a pre-determined range for WOT
> or something
> like that...
>
> What say you knowledgeable folks?
>

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