Quote:
Originally Posted by RobertSmalls
Gas in the oil is also not a source of pollution, as it's sent into the intake by the PCV system, to be burned.
However, it's a terrible lubricant, and if you only use the car to go to a mile to chruch on Sundays and the store on Monday, gasoline and H2O in the oil can become a problem because the oil in the pan doesn't stay hot enough to allow gas and water to evaporate.
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It's not a direct pollutant, you're right about that, but it's not all going into the oil, either. When you shut the engine off, if there is gas going in, it's also going out the exhaust ports until the engine stops, which (I assume) is what Bob was referring to when he said it was a pollutant.
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