"Faking" an O2 sensor

[nacelp]

Might be a whole lot easier to use an earlier pcm that can be edited.  Nice
being state of the art, but sometimes can be difficult.  T56 is manual
tranny, right?.
Is your ignition the same as a late Lt1?.
Grumpy


> I agree with you wholeheartedly. I'm faced with the same problem time and
> again. I'm working on putting my 1998 z28 engine/trans (LS1/T56) into my
> 1964 Impala SS. I will remove the Cats and will have to solve that
problem.
> I've got bigger problems right now though. I sure do wish I could find a
> piece of software that would allow me to reprogram that PCM, like remove
the
> VATS, adjust fuel maps, etc.
>
> I would think you only need to provide a voltage back to the PCM that is
> right a Stoch, no?
>
> dave
>
> ----- Original Message -----
> From: MysticZ <lt1_z28 at houston-f-body.org>
> To: <diy_efi at diy-efi.org>
> Sent: Saturday, April 15, 2000 1:12 AM
> Subject: "Faking" an O2 sensor
>
>
> > I'm a bit annoyed now. On OBDII F-bodies there are 4 O2 sensors. Two
> > before the cats, two after to make sure they're working. When removing
> > the cats (which I don't plan on doing) you have to use simulators to
> > keep the ECM from throwing a code. These simulators sell for about $90.
> > What's bothering me is WHY they're $90?!? Is there something I'm
> > missing? Shouldn't you just have to give it a voltage on the lean side
> > of the pre-cat sensors? Can someone explain what I'm not understanding,
> > or am I right in thinking that $90 is a bit much for a glorified
> > resistor (like the skip shift eliminator for T56 transmissions, which IS
> > a resistor)?
> > --
> > Steve
> > 97 Chevy Camaro Z28, Mystic teal, A4, not stock
> > 90 Kawasaki EX500A4, black, M6, not even CLOSE to stock!
> > lt1_z28 at ev1.net  http://users.ev1.net/~lt1_z28
> > Aluminum, steel, carbon fiber, titanium, and two cast iron balls.
> > McMillan Motorsports- http://www.mmsbikes.com
>
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