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Originally Posted by Brazen
"The GM Oil Life Monitor System is not a mileage counter. It is actually a computer based software algorithm that determines when to change oil based on engine operating conditions. There is no actual oil condition sensor. Rather, the computer continuously monitors engine-operating conditions to determine when to change oil. Over the years, millions of test miles have been accumulated to calibrate the system for a variety of vehicles. The system was first introduced in 1988 and is now on more than 10million GM vehicles"
http://assets.cobaltnitra.com/teams/...145efa6b30.pdf |
Fair enough, point I was trying to make was it wasn't as advanced as the expensive Germans.
On the Lincoln Navigator, it keeps going off every 5000 miles so ford must use a different system.