[Diy_efi] Dead O2 sensor values

[rr]

You may want to try something along the lines of diagnostic. 
Have the ECM command a jump in AFR and monitor the WB's for 
response time and accuracy.

BobR.

kwsundell wrote:
> 
> 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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