I suggest you ask your 5-minute buddy to provide an explanation of why he
is
doing that. Let's see what he comes up with.
Modern engines do not need to be 'warmed up' before driving. That's what
fuel injection, engine management computers, heated oxygen sensors, etc
are
for. Unless you are preparing for a race and need maximum power from the
get-go, it makes no sense to burn $4/gas while going nowhere, not even for
your 30 seconds. A cold engine also wears more and pollutes much more than
a
warm one, so the fastest you get it to operating temperature, the better.
And the way to do it is to start moving. Just my humble opinion, of
course.
"CWLee" <cdubyalee@[EMAIL PROTECTED]
> wrote in message
news:25lVj.35$z4.8914@[EMAIL PROTECTED]
>
> I'd like to know both the conventional wisdom about, and the common
> practices you guys use, starting your Explorer after it has been sitting
> outside all night in 40-60 degree temps.
>
> Some of my friends start it and drive away immediately. Another buddy
lets
> it idle for 5 full minutes before moving. I have tended to wait until I
> detected a slight uptick in the temp gauge needle, but sometimes I'm in
a
> hurry and only wait 30-60 seconds.
>
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