727 questions.

[Wen Yen Chan]

On Tue, 9 Feb 1999, Bruce Plecan wrote:

> 
> -----Original Message-----
> From: Doug Mansfield <mansfield at cns.ohiou.edu>
> To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
> Date: Tuesday, February 09, 1999 2:33 PM
> Subject: Re: 727 questions.
> 
> 
> >Sorry, that should be ESC (electronic spark control).
> 
> 730/727 doesn't use a ESC Module, the knock sensor filtering is
> on the memcal.  (Removable calibration part).
> >
> >>> Does it use IAC or a motor for idle control?
> >>
> >> IAC is a stepper motor (gm).
> >
> >Do other makers use solinoids?
> 
> Fords, I don't know the specifics on them.
> >
Some Hondas do. I takes about 100 ma to crack them open and about 2/3 of
an amp to fully open them.

> >>> It is MAP right?  I noticed a pinout that showed both MAP and MAF, what
> >>> is that about?
> >> 730's have been used as either MAP, or MAF..
> >
> >So I should just check the vehicle it is taken from, or is it that they can
> >be used for either?
> 
> Depending on memcal, and wiring, either.
> Bruce
> >
> >Thanks again.
> >
> >
> >Doug
> >
> 
>