ok most comonly this problem occurs in the bigger motors i have the four banger with close to 200000 miles and oil is blowing out of the pcv valve i removed the pcv valve and replaced it and the grommet understanding that vacum is everything on these motors ive been careful this jeep is new to me and im guessing the oil wasnt changed frequently but my question is does anyone think it is necessary to remove the valve cover to clean out something or i read a previous post on the 4.0l about spraying fuel injector cleaner in the pcv hole after removing it i cant see this working but please if there are any gear heads who can help im losing a quart every fill up i have a haynes manual if you can suggest what and where to clean out im assuming its under the valve cover but where and what thank you for any input and if im floggin a dead horse i appologize id just feal better if someone addressed me directly <img src="/forums/images/graemlins/zombie.gif" alt="" />

oil blow by on 2.5l
single choice
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