code 44 - why?

[den Broeder, Ernst]

Not exactly, but close.  My BLM's were within range when the code 44 set.

-Ernst


At 12:40 PM 5/16/2001 -0600, you wrote:
>Are the MAF tables exactly the same between bins ?
>
>Lyndon.
>----- Original Message -----
>From: den Broeder, Ernst <edenbroe at cisco.com>
>To: <gmecm at diy-efi.org>
>Sent: Wednesday, May 16, 2001 11:52 AM
>Subject: code 44 - why?
>
>
> > I had an interesting experience with my TPI setup in the past 2 days since
> > I got it running.  It's a 1989 MAF '165 system on a 5.0L with TPI.
> >
> > I have been using AUJM (350, auto, 3.27, FED) and it keeps setting code 44
> > on me.  I switched over to a APYS (305,M5,3.45) and the problem goes
>away...
> >
> > Could someone please explain why I see this behavior?  I checked through
> > the archives and found a few tidbits that lead me to believe it's just a
> > case of the definition of what is lean and what is rich...?   What I don't
> > understand is why it would be different for different engine
> > displacements.  Could it be because the O2 sensor is sensitive to the
>extra
> > back pressure a 350 (as opposed to a 305) would apply against a set of
> > factory exhaust manifolds?
> >
> > Ernst
> >
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