Originally Posted by PratoN
There is a TSB (12-5-5) for this, but it requires reprogramming the PCM. I'm pretty sure the 12B37 update should have fixed it as well then, right?
Beating a dead horse here, but if Ford would allow the car to display a remaining oil life % (the car does know this), owners just might learn to trust the iolm. As it is, many will assume it's not working and default to 3 months/3,000 miles or some other arbitrary and short interval.