[Gmecm] Re: Closed loop and stalling

[Rick McLeod]

Most have a code that when in diag mode, they extend
the pintle, so I place in that mode, wait, then remove
connector, and then remove diag mode, start car,
adjust idle to just below spec, restart after
reconnecting IAC, and all is good. Works great on my
TPI cars, and I also set TPS at the same time to make
sure all is good, always get good off-idle resonse w/
this procedure.


--- Cowen <captain_krill at yahoo.com> wrote:
> Oops.  When I described setting the idle stop screw
> for proper idle, I forgot one step - actually I
> still
> forget it!  If I recall, before you begin, I believe
> you have to pull the ECM fuse.  If you don't pull
> the
> fuse, when you switch the ignition ON, the IAC will
> extend the pintle (as you want) but then pull it
> back
> again to the "start" position.  
> Pulling the ECM fuse forces the IAC to extend the
> pintle fully, allowing you to set the idle with the
> throttle plate only.  The IAC will have minimal
> adjusting to do after that.  Be sure to replace the
> fuse before starting the engine.  Sorry about the
> omission!
> 
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