Re: Cold 350 TBI

["Bruce Plecan" <nacelp@bright.net>]

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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