[Diy_efi] Biased Narrowband Sensor

Kaminska, Rick rick.kaminska at boeing.com
Tue Apr 6 18:01:57 GMT 2004


I have a copy of a thread on this subject which I can send, hopefully =
tonight.  Also take a look at Hiway747.zip  located in=20
ftp://ftp.diy-efi.org/uploads/

This looks like Rauscher's 747 patch you refer to.

Rick

> -----Original Message-----
> From: Steve Ravet [mailto:Steve.Ravet at arm.com]
> Sent: Monday, April 05, 2004 2:24 PM
> To: A list for Do-It-Yourself EFI
> Subject: RE: [Diy_efi] Biased Narrowband Sensor
>=20
>=20
> The car version of the 747 has a lean burn mode, and I think=20
> Bob Rauscher made a patch for the 747 also.  I thought there=20
> was a paper about this on the gmecm page but I can't find it=20
> now.  Maybe it was a victim of the server crash.
>=20
> --steve
>=20
> > -----Original Message-----
> > From: diy_efi-bounces at diy-efi.org=20
> > [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of paul w
> > Sent: Monday, April 05, 2004 2:34 PM
> > To: diy_efi at diy-efi.org
> > Subject: [Diy_efi] Biased Narrowband Sensor
> >=20
> > Hi all,
> >=20
> > I'm wondering if it is common, or even feasible to run an EFI=20
> > engine slightly lean in closed loop mode, let's say 1.02,=20
> > WITHOUT relying on a wideband sensor?  i.e. is it possible to=20
> > "bias" a narrowband sensor to make the A/F hover above 1.0?
> >=20
> > Thanks!
> >=20
> > Paul
>=20
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> diy_efi mailing list
> diy_efi at diy-efi.org
> http://lists.diy-efi.org/mailman/listinfo/diy_efi
>=20
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