[Diy_efi] Dead O2 sensor values

[kwsundell]

I'll be running two NTK wideband sensors (one in each exhaust manifold) and
will be hooking them into the board developed on this site.  The EFI
computer that I am using will monitor the output from the wideband boards
and will use that information to assist in the fuel calibration.  If someone
knows what a defective or dying sensor does, it might help in the
programming and error detection.

-----Original Message-----
From: diy_efi-admin at diy-efi.org [mailto:diy_efi-admin at diy-efi.org]On Behalf
Of Garfield Willis
Sent: Wednesday, June 26, 2002 8:12 PM
To: diy_efi at diy-efi.org
Subject: Re: [Diy_efi] Dead O2 sensor values

On Wed, 26 Jun 2002 16:04:13 -0700, "Kris Sundell" <sundell at usa.net>
wrote:

>What kind of values will you get when an O2 sensor goes bad?  Does the
>voltage go up, down, or does it depend.  We're trying to hook this into an
>EFI setup and want to have some safeguards so that we don't lean out the
>engine if a sensor fails.

Judging from the replies you've gotten so far, you might want to say
what sort of O2 sensor and 'EFI setup' you're asking about.


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