do_not_spam_me@my-deja.com wrote:
> John Horner wrote:
>
>> The oil condition is not sensed directly. The engine computer monitors
>> total revolutions, temperatures and other factors to arrive at an aging
>> curve for the oil. It is much more sophisticated then the old xxx
>> miles/yyy months way of doing things.
>>
>> GM of all companies has been a leader in this kind of technology, but
>> many of the Germans and now Honda are also taking up this methodology.
>
> Has anyone had the used oil tested to see how consistent the oil change
> indicator is?
>

There have been a few postings on the www.bobistheoilguy.com used oil
analysis forums where people have gone the distance and had an analysis
done. Not many though as most obsessive compulsive oil gear heads are
not able to wait that long!

John