Quote:
Originally Posted by caSStro18
So...California CARB law strikes again! How would adding a catch can be bad for emissions? California is so @#$&ing screwed up!
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A catch can has the potential to block the crank case ventilation causing it not to function properly. That happens if the owner fails to maintain the can, or in cold climates, when the can fills to the top with water in only a few days.
If the crankcase is not adequately ventilated, blow by gases will condensate and the motor oil will quickly become contaminated.
That happened to me in the first winter with my 2016. In a matter of days the can filled with water and blocked the crankcase ventilation. The drain oil was so badly contaminated that when I changed it in my closed garage (winter), the air reeked like gasoline and my eyes burned. The oil had only been in the car 1,500 miles.