It Runs!

[Dan Griffin]

I cant explain the hows and whys of it I just know it works..Id say the
answer lies in the netres though..The netres I used came from an '85
cavalier 1226867 single injector tbi..Some of the experts here could
probably explain this..Im not 100% sure this combination is tunable though,
until I get a scantool anyway..Truck runs great in open loop till it warms,
then intermittent code 45 and herky jerkyness occurrs...
Dan
----- Original Message -----
From: steve ravet <sravet at arm.com>
To: <gmecm at diy-efi.org>
Sent: Monday, July 02, 2001 11:21 AM
Subject: Re: It Runs!


> I thought the problem with 4 cyl 747 is that the fueling algorithm in
> the 747 requires having 2 injectors, and there aren't any 4cyl dual
> injector throttle bodies.  Is this the case?  How do you get around it?
>
> --steve
>
> Shannen Durphey wrote:
> >
> > Good find!
> > Sounds like a rich engine to me.  Looks like it to the ecm, too.
> > Shannen
> >
> > Dan Griffin wrote:
> > >
> > > The 747 works in my 4 cyl. truck when I switched netres with the
1226867 4
> > > cyl. It is no longer belching black smoke, fouling plugs and is
actually
> > > drivable! However, am getting intermittent code 45 at idle and
deceleration,
> > > and herky jerky feel at steady cruise... next step, find, make, buy,
rent,
> > > or borrow a scantool of some sort..
> > >
> > > Dan
>
> --
> Steve Ravet
> steve.ravet at arm.com
> ARM,Inc.
> www.arm.com
> --------------------------------------------------------------------------
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