I've actually heard that there is the possibility that the oiled filters oil can also contaminate the sensors, not sure how big of a risk it actually is or if some designs are more susceptible than others. I know a few people with them that have had zero issues so far, so who knows. I do remember reading a few TSB's in regards to this problem when in my advanced powertrain class down at school. I can't remember what makes and models it pertained to though.
