Change oil soon

[don.broadus at exeloncorp.com]

It is a calculation of milage , engine run  hours and even time the engine
is not running. Acids and condensation degrade the oil when it is just
sitting in the pan. Cadillac was one of the first to use this algorithm.  

> -----Original Message-----
> From:	Bob Wooten [SMTP:r71chevy at earthlink.net]
> Sent:	Friday, May 25, 2001 11:08 PM
> To:	gmecm at diy-efi.org
> Subject:	Change oil soon
> 
> I just bought a new (1998, so new to me) Grand Prix with the 3.8.  It has
> a
> "change Oil Soon" light in it.  anyone know how this works?  @ first I
> thought it was a mileage thing but I am due for an oil change soon & it
> appears that the light stays on longer as the days go on.  @ first it is
> on
> for 10 seconds & then goes off, after the car has been running.  Does it
> have a Viscosity sensor, contaminant sensor, particulate sensor?
> 
> Boy am I glad that the list is back on line, & judging from all the
> "hello,
> is anyone out there" emails, looks like we are all in need of our fix.
> thanks for getting the list up.
> 
> Bob Wooten
> r71chevy at earthlink.net
> www.r71camaro.homestead.com
> 
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