Can an ECM "learn" how to start the car better?

[Bruce Plecan]

Starting in about the second week in Apr is when the oil companies start
putting summer brewed fuel into the system.  The is a difference from winter
to summer fuel.  Also takes a while to dilute the stuff in the distribution
network to the new brew.
Grumpy


> I'll try to be brief.  At one point, something caused the car to be
> "smoking" rich when cold.  Well, long story drastically shortened, an ECM
> change ('165) was needed because there was no comm.  That ended up making
> the car run world's better under any condition, but only minimally
improved
> the sudden cold-start problem.  At least it would start and after a minute
> the idle would smooth out.  Over the next few weeks, the car started
better
> and better and now there is no sign of the cold-start problem.  I don't
> think it's a weather change because I'm on the east coast of Florida and
the
> mornings have been pretty consistent, it's just our afternoon's got
hotter.
> Plus we've had some "cold" mornings since then and the car starts without
a
> problem.
> Any thoughts?
>
> Sorry for the bandwidth use, just curious.
> Steve
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