VE and BLM cell edges

[Dave Zug]

that is excellent info bob, thanks for sharing!

----- Original Message -----
From: <rrauscher at nni.com>
To: <gmecm at diy-efi.org>
Sent: Friday, January 19, 2001 5:01 AM
Subject: Re: VE and BLM cell edges


>
> It is the idle cell. Some ecm's do it differently, the one
> talked about here uses cell 4 whenever it thinks it is in idle.
>
> If the car is not moving, must be at idle. Or so the ecm thinks.
> The ecm will then lock into the idle cell. This prevents the
> cell to use from changing due to map fluctuations. Same deal
> with the closed throttle SA table. Prevents things from moving
> around too much.
>
> On a heavily cammed engine, it can be a good idea to change
> which cell the ecm uses for the idle cell. Otherwise the cell
> to use can 'jump' the instant the car starts to move.
>
> BobR.
>
>
> >I don't want to sound like a moderator, but the first question that i had
> >was why would it lock in this block?  Could this be an OR situation?
what
>
> >is the purpose of locking it into a cell?  if this is some kind of safety
> >or Limp home mechanism then maybe there are multiple situations that this
> >could occur.  it appears that you both had different situations but the
> >same result.
> >
> >why lock in a cell & why cell 4.  this the cell that is used the most
> >(common cruising/driving), or ?????
> >
> >thoughts?
> >BW
> >
> >
> >
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