Originally Posted by canucklion
dude, that pdf proves exactly what carve said; the sensor measures the conductivity of the oil, take that value and 'sent to the engine management system. The engine management system uses the signal for internal calculations.."
I'm not disputing anything carve is saying about the sensor. I take issue with the notion that the system as a whole is flawed because when you put new oil in the mileage counter till the next oil change doesn't go up.
I'm pretty lost as to what you and carve are saying though...