Kraut / Larry Stark wrote:
> On Sat, 27 Nov 2010 12:15:09 -0600, Paul in Houston TX
> > wrote:
>
>>> Have a 1997 Malibu 6 cyclinder with air and 125,000 miles on it. I
>>> have taken it in yearly to Chevy garage and had them fixed whatever
>>> they have found wrong. Early this summer they fixed all the codes that
>>> showed in the computer which numbered 2 of which one was a leak in
>>> some airline, Do not remember other. Runs fine but getting old and
>>> rusty. Oil get changed on regular basis usually every 3,000 and tuned
>>> up at 100,000 miles because they said it had platinum plugs and trans
>>> and power steering flushed at recommended intervals. Coolant was set
>>> to recommended temp when they fkushed and refilled it.
>>>
>>> The last two or three winters when it gets cold like this AM in the
>>> 20s and blustery the check engine light comes on. It stays on a
>>> couple days or until weather warms up and goes out. I check all
>>> fluids and they are good and the car starts and runs fine and does not
>>> stall or anything. When I take it in it gets in garage and warms up
>>> the light goes out and they tell me they can not check it unless the
>>> check engine light is on.
>>>
>>> Any suggestions as to what could be causing light to come on??
>>>
>>> TIA
>> Often there are two sensors. One for oil level on the side
>> of the pan and one for pressure near the filter.
>> Jump the one on the pan (if there is one) and see if the
>> light goes out.
>
> But like I said it happens in really cold weather only!! If it was
> the oil sesors why would they do it only during COLD weather??
>
> Thanks again.

Oops, I misread your question. Sorry.
Jim Beam is correct. Read the codes or have them read.
It could be anything.