RE: Cold 350 TBI

["Guenther,Max [ASCO/PA]" <Mguenther@ASCO.COM>]

Should have mentioned -all stock- just used TTS to view sensor readings not
to change anything.  
Its the wifes truck so I've left my hands off!!

I'll check the IAC.  Good idea.

Thanks Bruce,
Max


> IAC, and passage ways, how clean are they?
> A PCM , no IAT?.  Maybe calling it MAT?.
> If I was to see a bin., I might be of some limited help
> I haven't seen any of the recent TTS stuff, but generally GMEPro, and
> Tunercat have alot more editing capabilities.
> Grumpy
> 
> 
> 
> 
> > I've got a 350 Chevy TBI that seems hard to start sometimes, and will
> cough
> > and sputter upon acceleration, like the accel pump isn't working(even
> > stalled once) for about a minute or two after you start it cold.  After
> that
> > it runs great at WOT, idle and every where in between, just like new!
> > About 113,000 on  the truck(93 blazer full size)
> > 1618625 ECM with BDJY
> > New fuel pump relay, coil, O2, Plugs, cap, rotor, etc
> > Put Injector cleaner through--seemed to help-
> > spray pattern looks good.
> >
> > When its cold(winter) it would sometimes have a hunting idle(600-1300)
> but
> > only for a minute after initial start.
> > There are no codes soft or hard.  Coolant temp is ok (No immediate
> closed
> > loop)and the rest of the sensor values seem ok, except the IAT which I
> don't
> > believe it has.   I used the TTS software.
> >
> > Any ideas would be appreciated.
> > Thanks,
> > Max
> >
> > PS Has anybody on the list hacked the code for this yet?
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