Quote:
Originally Posted by cloverfield
Trying to understand this - is the thinking that the cold start/rich conditions/short drives over time would cause unburned fuel to get past the rings and into the oil?
Is there a certain oil temp range that helps get rid fuel in the oil? I've heard short drives can cause water condensation to build up and if the oil temp doesn't get past 100C/212F then it never evaporates, but how does this work if there's fuel in the oil as well?
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If there is fuel in the oil, you will see white smoke and smell it too. A small amount will not cause an issue, but if your injectors dump too much fuel and the motor is running too rich for extended periods of time, the oil will be diluted and loses its protective characteristics. It can cause the bearings to seize, if not changed soon. Therefore, I monitor my engine and change the oil latest after 3000 miles.