P4 ECM #1227748 questions
rr
RRauscher at nni.com
Sat Feb 17 00:11:05 GMT 2001
Sometimes yes, sometimes no. I've seen them where the steps increase
from park after a startup. Can also have park so low that you have hard
starting. It really is a combination & a juggling act.
BobR.
JTesta1966 at aol.com wrote:
> In a message dated 2/16/01 5:28:25 PM Eastern Standard Time,
> RRauscher at nni.com writes:
>
> << So all that really happened is the 300rpm I added to the minimum
> > idle speed, is now added to the high-rpm idle thing that the ECM
> > seems to be doing.
> >
> > Why is the ECM doing this to me?? for some reason, with no
> > other change apparent to me, the ECM stepped the IAC all the way
> > out to 2300rpm. >>
>
> You need to find the IAC park position and change it from 120 counts to 90
> counts. That should fix it for you ;-)
>
> ================================================
> Jim (FA) Testa Type86 on buick.fiendish.net
> ASE Cert Master Tech jtesta1966 at aol.com
> L1 Adv Engine Performance http://www.turbojim.com
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