VE and BLM cell edges

[Dave Zug]

I can say that the VSS being non functional in MY car, when repaired, was
the ONLY thing repaired and immediately the cells started recording and
changing with RPM and MAP.

since then, they change and record and never got stuck again, so I was very
confident that NO VSS was the cause.

while I'm typing so much, and FWIW, the next hurdle I hit was the EGR code
at cruise speeds (non egr heads). I took the speed setting and threw it to
145 mph insted of zeroing all the values in the EGR table (saves keystrokes
;-)  Another common snag in cammed engines is the HI-MAP (lo vacuum) error..
I did not have to deal with that one but Mike D showed me what was up with
that one.  that so far rounds out my MAP conversion tuning experience to
date. man we nees a heat wave or something.

----- Original Message -----
From: <WEG1192 at aol.com>
To: <gmecm at diy-efi.org>
Sent: Thursday, January 18, 2001 8:56 PM
Subject: Re: VE and BLM cell edges


> In a message dated 01/18/2001 11:40:44 PM Eastern Standard Time,
> dzug at delanet.com writes:
>
> << The original post, by Mark, that I responded to listed the absence of a
> VSS.
>  I have observed this in my own car like I said. I did not read on the
1995
>  problem you are having (if it is you, I only read the headings), I have
no
>  info for you, until my 2002 WS6 arrives I'm strictly a third-genner ;-P
My
>  1989 (maf) Iroc vss mated perfectly with my 1992 4000 PPM-vss-lookin-for
>  (MAP) ecm, with the flipping of ONE BIT. no third party vendor adapter
gizmo
>  required. >>
>
> I was only saying that I also have had my system stick in cell 4 but I've
had
> a working VSS on my TPI the whole time. I was just suggesting that the
lack
> of a VSS may not be the cause of the ECM staying in cell 4. But I could be
> wrong since my VSS is aftermarket. JW
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