[Gmecm] $8D IAC stalls engine on decel

Tomas J. Sokorai Sch. tsokorai
Mon Aug 28 14:53:39 UTC 2006


On Sunday 27 August 2006 21:44, Steve Ravet wrote:
> Tomas, VSS is part of stall saver, in that while you're driving at
> highway speed the ECM takes the opportunity to reset the IAC to a known
> position.  You should get it hooked up.  But in your case, the ECM
> commanding IAC to zero, the lack of VSS may not be the problem.  What I
> see on the scan tool is above some speed (30?) the IAC opens
> significantly from where the idle routine left it.  Take a look at the
> idle strategy document on the gmecm page.  It's on the twiki, under
> "papers written by list members", and has a lot of good information in
> it.

Thanks, Steve!
I already read that paper when I converted my truck to TBI, but does that 
algorithm still apply to the $8D mask IAC control?

-- 
Tomas J. Sokorai Sch.




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