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Re: Relocating IAT sensor?



Why thank you!

02B0  for the 8D
0247  for the 6E
are enable MAT temps for EGR.

Funny how things only make sense one ya read them.
Bruce
   Still looking for more sense


> I think the problem may be that we are confusing MAT with IAT. The 88h
mask
> for the '730 (v6), uses an IAT in the air cleaner. There are a bunch of
tables
> that
> use it. I'm still deciphering the code, so I can't get real specific. The
IAT is
> read
> 10 times a second.
>
> Ok, took a quick look at anht. Loop segment 10 reads the mat sensor 10
times
> a second. Saves the result in L013C & L0061 @ D74C. Looks like the egr
gets
> disabled when the MAT is less than 30c. Hmm, maybe thats what folks are
> noticing when they relocate the sensor. . . (see D812).
>
> I guess what it comes down too, is how much does air density change with
> temperature? That is what needs to be compensated for.
>
> BobR.
>
> Dave Zug wrote:
>
> > I'm glad this has come up again.. I never really got a responce before
to
> > this:
> >
> > I have not seen where IAT affects ANAYTHING in the '727 / '730. I see it
> > written to ONCE and never READ or used unless I'm missing an indexed
> > indirect bitwise X or something.
> >
> > ----- Original Message -----
> > From: <OneSS2NV@aol.com>
> > To: <gmecm@diy-efi.org>
> > Sent: Tuesday, October 24, 2000 7:10 AM
> > Subject: Relocating IAT sensor?
> >
> > > Hello all,
> > >    Since I'm going to have the top of the plenum off my TPI to install
the
> > > adjustable fuel pressure regulator, would it be worth it for me to
> > relocate
> > > the IAT sensor and plug the port on the bottom with a pipe plug?  I
know
> > my
> > > IAT sensor is out in front on my Impala, and same thing with my
friend's
> > > Turbo Regal.  What effects, positive or negative, will it have?
> > >
> > >     Thanks in advance,
> > >        Steve Ragusa - AKA the "New Guy"
> > >         North Jersey
> > >       '85 Monte SS with '87 305 TPI MAF harness
> > >         '96 Impala SS
>
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