Posted 3/9/2012 00:04 (#2276811 - in reply to #2276748) Subject: Re: B&S 18 hp. smokin'
Ohio
Our 20 horse kohler command did that and needed its pcv valve changed. I also have a Briggs 18 horse vanguard identical to the one you are talking about. I'm not sure if the briggs has a pcv valve.